1 1/2 in End A Diameter 3/8 in End B Diameter Threaded Fittings

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Pipe & Hose Fittings

84 results

Lot Of 36 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling
Brand New
RM 212.68
or Best Offer
RM 123.82 shipping
Lot Of 12 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling
Brand New
RM 85.07
or Best Offer
RM 101.32 shipping
DPS-8-6 Double Permanent Live Swivel Male 1/2 NPT to Male 3/8 NPT
New (Other) · Unbranded
RM 148.87
RM 81.96 shipping
1/2 MNPT x 3/8 FNPT 316ss Reducing Bushing Hex Fitting DK-LOK GHB-8-6N-S
Brand New
RM 68.06
RM 93.96 shipping
Male BSPT to Pushfit Adapter ¦ 1/2" BSPT x 3/8" Pushfit ¦ DMFit AMCBT0607
Brand New
RM 51.44 to RM 256.89
RM 88.97 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
RM 46.32
RM 49.68 shipping
133 watching
1/2" to 3/8" Male Npt Mpt Steel Male Elbow Reducer Fitting Fuel, Air, Oil, Gas
Brand New
RM 53.47
RM 49.68 shipping
Reducer 1/2 Female Npt x 3/8 Npt Male Forged Street Elbow Fitting Water Oil Gas
Brand New · Unbranded
RM 58.61
RM 49.68 shipping
87 sold
1/2 BSP Male x 3/8 BSP Female British Pipe Reducer Bushing Brass Adapter Oil Gas
Brand New · Unbranded
RM 32.37
RM 49.68 shipping
4 watching
Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
RM 41.05
RM 49.68 shipping
Only 1 left!
FITOK 90° Street Elbow 1/2 FNPT x 3/8 MNPT 316 SS 5600 psi, SS-PSE-NS8-NS6
Brand New
RM 121.65
RM 78.60 shipping
(Lot of 2) JB Smith 5404-08-06 Pipe Hex Long Nipple Male 1/2 NPT to Male 3/8 NPT
New (Other)
RM 42.54
RM 76.31 shipping
1/2"x3/8" NPT Black Bushing Pack Of 25
Brand New
RM 106.34
RM 78.18 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...
Brand New
RM 25.90
RM 95.32 shipping
Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 57.17
RM 49.68 shipping
FS2501-08-06 Hydraulic Fitting 90° Elbow Male 1/2 ORFS-08 to Male 3/8" NPT
New (Other) · Unbranded
RM 44.66
RM 76.35 shipping
1/2" X 3/8" Male NPT (XH) Concentric Swage Nipple Zinc Plated WPB SWG1050321
Brand New · Unbranded
RM 53.00
RM 76.61 shipping
1/2 to 3/8" Male NPT Brass Reducer Elbow Fitting, Fuel, Air, Water, FASPARTS
Brand New · Unbranded
RM 64.91
RM 49.68 shipping
97 sold
Hex Nipple Reducer 1/2 to 3/8 Male Npt Brass Fitting Lot Of (7)
New (Other) · Unbranded
RM 170.14
RM 109.40 shipping
(Lot of 5) 5404-08-06 Pipe Nipple Male 1/2 NPT to Male 3/8 NPT
New (Other) · Unbranded
RM 63.80
RM 79.46 shipping
1/2 - 3/8 Female Npt Fpt Steel Reducer Elbow Fitting Fuel, Air, Water, Oil, Gas
Brand New · Unbranded
RM 53.34
RM 49.68 shipping
SWAGE NIPPLE Concentric 1-1/2" x 3/8" Schedule 80 Thread Both End Galvanized
New (Other)
RM 170.57
or Best Offer
RM 80.05 shipping
FITOK Pipe Fitting Reducing Hex Nipple 1/2 x 3/8 Male NPT 316 SS 7800 psi
Brand New
RM 55.25
RM 76.65 shipping
1/2 to 3/8 Npt Female Pipe L Reducer Elbow 90 Degree Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 79.92
RM 49.68 shipping
SWAGE NIPPLE Concentric 1-1/2" x 3/8" Schedule 80 Thread Both End Plated Steel
New (Other)
RM 174.95
or Best Offer
RM 80.18 shipping
SWAGE NIPPLE Concentric 1/2" Bevel End x 3/8" NPT Schedule 160 Black Steel
New (Other)
RM 92.09
or Best Offer
RM 77.75 shipping
(4) 2501-08-06-B Brass Fitting 90° Elbow Male 1/2 JIC-08 to Male 3/8 NPT
New (Other) · Unbranded
RM 63.80
RM 76.90 shipping
SWAGE NIPPLE Concentric 1-1/2" Plain End x 3/8" NPT Schedule 160 Black Steel
New (Other)
RM 260.19
or Best Offer
RM 82.73 shipping
Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Tube Fitting
New (Other) · Swagelok
RM 44.62
RM 270.95 shipping
(2) 2605-08-06-08 Branch Tee male JIC-08 to male 3/8 NPT to male JIC-08
New (Other) · Unbranded
RM 53.17
RM 76.61 shipping
Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Missing Nut
New (Other) · Swagelok
RM 42.49
RM 270.95 shipping
1/2" X 3/8" 150# Cast Threaded (NPT) Hex Bushing 304 Stainless Steel SS12040341
Brand New · Unbranded
RM 35.39
RM 76.10 shipping
6 watching
Parker Reducer 24-6 F5OG5-S, 1-1/2" x 3/8" SAE ORB Pipe, 9/16"-18 x 1-7/8"-12
New (Other) · Parker
RM 127.39
RM 100.04 shipping
P00055 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 1/2" X 3/8"
Brand New · Parker
RM 233.90
or Best Offer
RM 81.92 shipping
1/2"NPT x 3/8" NPT Male to Male Hex Nipple Pipe Fitting Reducer MB-316 Stainless
New (Other) · Unbranded
RM 76.56
or Best Offer
RM 111.87 shipping
P00053 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 3/8 X 1/4 5 Pieces
Brand New · Parker
RM 127.61
or Best Offer
RM 102.21 shipping
Steel 1/2 to 3/8 Male NPT Pipe Reducer Hex Nipple Fitting Water Oil Gas Liquid
Brand New · Unbranded
RM 42.28
RM 49.68 shipping
51 sold
FITOK 316 SS Pipe Fitting Adapter 1/2 Female NPT × 3/8 Male NPT
Brand New
RM 65.08
RM 76.95 shipping
Industrial Grade 1MNG9 Reducing Coupling, 1/2" x 3/8" Threaded
New (Other)
RM 13.53
Was: RM 16.93was - RM 16.93
RM 96.47 shipping
1/2" Female NPT to 3/8" Male JIC Flare Pipe Fitting Reducer Adapter SS304
Brand New · Unbranded
RM 55.25
RM 76.65 shipping
FITOK 316 SS Reducing Bushing 1/2 MNPT x 3/8 FNPT, SS-PRB-NS8-NS6
Brand New
RM 50.32
RM 76.52 shipping
1/2" X 3/8" 3M/6M Threaded (NPT) Hex Bushing A105 Forged Steel FS12040321
Brand New · Unbranded
RM 31.99
RM 63.89 shipping
Brass Pipe Fitting 1/2 NPT Male to 3/8 NPT Female Reducer Face Bushing
Brand New
RM 20.42
RM 86.94 shipping
43 watching
FITOK 316 SS Hex Reducing Coupling 1/2 × 3/8 FNPT, 4900 psi, SS-PCG-NS8-NS6
Brand New
RM 74.52
RM 77.24 shipping
Threaded Brass Bushing 3" - 10 tpi Plumbing pipe well 1.93" ID 4" long
Pre-Owned
RM 165.42
or Best Offer
RM 79.92 shipping
1/2" X 3/8" 150 Female NPT Bell Reducer Coupling 304 Stainless SS190403413004
Brand New · Unbranded
RM 36.20
RM 64.02 shipping
175 sold
1/2" - 3/8" Female BSP British Brass Fitting Reducer Pipe Coupling
Brand New · Unbranded
RM 43.77
RM 49.68 shipping
1/2" x 3/8" Reducer Hex Bushing Male NPT x Female NPT Stainless BU050/0375-304
Brand New
RM 42.24
or Best Offer
RM 76.27 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT
Brand New
RM 59.12
RM 110.38 shipping
1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus
New (Other) · Unbranded
RM 252.91
or Best Offer
RM 131.18 shipping
1-1/2" X 3/8" 150# Cast Threaded NPT Hex Bushing 304 Stainless Steel <SS12080341
Brand New · Unbranded
RM 56.40
RM 76.69 shipping
1-1/2" X 3/8" 3M/6M Threaded (NPT) Hex Bushing A105 Forged Steel FS12080321
Brand New · Unbranded
RM 67.04
RM 79.54 shipping
IMPERIAL 1/2" FNPT x 3/8" MNPT 3500 PSI Carbon Steel Reducing Adapter (-8 x -6)
Brand New
RM 31.90
RM 75.97 shipping
(5 Pack Ships Fast) 1/2 Male NPT x 3/8 Female NPT Hex Brass Reducing Bushing
Brand New
RM 63.59
RM 76.90 shipping
12 Pcs - 1/2 NPT M X 3/8 NPT FThreaded Hex Reducer Bushing Nylon Red - New
Brand New · Unbranded
RM 42.54
or Best Offer
RM 103.10 shipping
Hex Bushing Stainless Steel 316 1-1/2" x 3/8" NPT Guardian
Brand New
RM 50.62
RM 106.08 shipping
ISE Japan Coupling | 1/2" X 3/8" | 304 SST | SA182F304
Pre-Owned
RM 85.07
or Best Offer
RM 65.46 shipping
1/2" X 3/8" 150 Female NPT Bell Reducer Coupling 304 Stainless SS190403413004
Brand New · Unbranded
RM 31.94
or Best Offer
RM 98.55 shipping
(Ships Fast) 1-1/2" x 3/8" Hex Bushing 316 Stainless Steel NPT Fitting | 304
Brand New
RM 55.08
RM 76.65 shipping
1/2" Male JIC 37° Flare X 3/8" Male ORB Straight Adapter Stainless 6400-08-06-SS
Brand New · Unbranded
RM 76.48
RM 154.83 shipping

1 1/2 in End A Diameter 3/8 in End B Diameter Threaded Fittings

Shop by category

84 results

Lot Of 36 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling

Lot Of 12 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling

DPS-8-6 Double Permanent Live Swivel Male 1/2 NPT to Male 3/8 NPT

1/2 MNPT x 3/8 FNPT 316ss Reducing Bushing Hex Fitting DK-LOK GHB-8-6N-S

Male BSPT to Pushfit Adapter ¦ 1/2" BSPT x 3/8" Pushfit ¦ DMFit AMCBT0607

Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas

1/2" to 3/8" Male Npt Mpt Steel Male Elbow Reducer Fitting Fuel, Air, Oil, Gas

Reducer 1/2 Female Npt x 3/8 Npt Male Forged Street Elbow Fitting Water Oil Gas

1/2 BSP Male x 3/8 BSP Female British Pipe Reducer Bushing Brass Adapter Oil Gas

Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter

FITOK 90° Street Elbow 1/2 FNPT x 3/8 MNPT 316 SS 5600 psi, SS-PSE-NS8-NS6

(Lot of 2) JB Smith 5404-08-06 Pipe Hex Long Nipple Male 1/2 NPT to Male 3/8 NPT

1/2"x3/8" NPT Black Bushing Pack Of 25

Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...

Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas

FS2501-08-06 Hydraulic Fitting 90° Elbow Male 1/2 ORFS-08 to Male 3/8" NPT

1/2" X 3/8" Male NPT (XH) Concentric Swage Nipple Zinc Plated WPB SWG1050321

1/2 to 3/8" Male NPT Brass Reducer Elbow Fitting, Fuel, Air, Water, FASPARTS

Hex Nipple Reducer 1/2 to 3/8 Male Npt Brass Fitting Lot Of (7)

(Lot of 5) 5404-08-06 Pipe Nipple Male 1/2 NPT to Male 3/8 NPT

1/2 - 3/8 Female Npt Fpt Steel Reducer Elbow Fitting Fuel, Air, Water, Oil, Gas

SWAGE NIPPLE Concentric 1-1/2" x 3/8" Schedule 80 Thread Both End Galvanized

FITOK Pipe Fitting Reducing Hex Nipple 1/2 x 3/8 Male NPT 316 SS 7800 psi

1/2 to 3/8 Npt Female Pipe L Reducer Elbow 90 Degree Brass Fitting Water Oil Gas

SWAGE NIPPLE Concentric 1-1/2" x 3/8" Schedule 80 Thread Both End Plated Steel

SWAGE NIPPLE Concentric 1/2" Bevel End x 3/8" NPT Schedule 160 Black Steel

(4) 2501-08-06-B Brass Fitting 90° Elbow Male 1/2 JIC-08 to Male 3/8 NPT

SWAGE NIPPLE Concentric 1-1/2" Plain End x 3/8" NPT Schedule 160 Black Steel

Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Tube Fitting

(2) 2605-08-06-08 Branch Tee male JIC-08 to male 3/8 NPT to male JIC-08

Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Missing Nut

1/2" X 3/8" 150# Cast Threaded (NPT) Hex Bushing 304 Stainless Steel SS12040341

Parker Reducer 24-6 F5OG5-S, 1-1/2" x 3/8" SAE ORB Pipe, 9/16"-18 x 1-7/8"-12

P00055 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 1/2" X 3/8"

1/2"NPT x 3/8" NPT Male to Male Hex Nipple Pipe Fitting Reducer MB-316 Stainless

P00053 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 3/8 X 1/4 5 Pieces

Steel 1/2 to 3/8 Male NPT Pipe Reducer Hex Nipple Fitting Water Oil Gas Liquid

FITOK 316 SS Pipe Fitting Adapter 1/2 Female NPT × 3/8 Male NPT

Industrial Grade 1MNG9 Reducing Coupling, 1/2" x 3/8" Threaded

1/2" Female NPT to 3/8" Male JIC Flare Pipe Fitting Reducer Adapter SS304

FITOK 316 SS Reducing Bushing 1/2 MNPT x 3/8 FNPT, SS-PRB-NS8-NS6

1/2" X 3/8" 3M/6M Threaded (NPT) Hex Bushing A105 Forged Steel FS12040321

Brass Pipe Fitting 1/2 NPT Male to 3/8 NPT Female Reducer Face Bushing

FITOK 316 SS Hex Reducing Coupling 1/2 × 3/8 FNPT, 4900 psi, SS-PCG-NS8-NS6

Threaded Brass Bushing 3" - 10 tpi Plumbing pipe well 1.93" ID 4" long

1/2" X 3/8" 150 Female NPT Bell Reducer Coupling 304 Stainless SS190403413004

1/2" - 3/8" Female BSP British Brass Fitting Reducer Pipe Coupling

1/2" x 3/8" Reducer Hex Bushing Male NPT x Female NPT Stainless BU050/0375-304

Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT

1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus

1-1/2" X 3/8" 150# Cast Threaded NPT Hex Bushing 304 Stainless Steel <SS12080341

1-1/2" X 3/8" 3M/6M Threaded (NPT) Hex Bushing A105 Forged Steel FS12080321

IMPERIAL 1/2" FNPT x 3/8" MNPT 3500 PSI Carbon Steel Reducing Adapter (-8 x -6)

(5 Pack Ships Fast) 1/2 Male NPT x 3/8 Female NPT Hex Brass Reducing Bushing

12 Pcs - 1/2 NPT M X 3/8 NPT FThreaded Hex Reducer Bushing Nylon Red - New

Hex Bushing Stainless Steel 316 1-1/2" x 3/8" NPT Guardian

ISE Japan Coupling | 1/2" X 3/8" | 304 SST | SA182F304

1/2" X 3/8" 150 Female NPT Bell Reducer Coupling 304 Stainless SS190403413004

(Ships Fast) 1-1/2" x 3/8" Hex Bushing 316 Stainless Steel NPT Fitting | 304

1/2" Male JIC 37° Flare X 3/8" Male ORB Straight Adapter Stainless 6400-08-06-SS

1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler Lot Of 10 Unused Surplus