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

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Pipe & Hose Fittings

80 Results

Lot Of 36 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling
Brand New
RM 212.32
or Best Offer
RM 123.61 shipping
Lot Of 12 Pieces Proline 1/2 in. Threaded Flare x 3/8 Brass Adapter Coupling
Brand New
RM 84.93
or Best Offer
RM 101.15 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 42.46
RM 76.18 shipping
DPS-8-6 Double Permanent Live Swivel Male 1/2 NPT to Male 3/8 NPT
New (Other) · Unbranded
RM 148.62
RM 81.83 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
RM 46.24
RM 49.60 shipping
133 watching
Reducer 1/2 Female Npt x 3/8 Npt Male Forged Street Elbow Fitting Water Oil Gas
Brand New · Unbranded
RM 58.51
RM 49.60 shipping
87 sold
1/2" to 3/8" Male Npt Mpt Steel Male Elbow Reducer Fitting Fuel, Air, Oil, Gas
Brand New
RM 53.38
RM 49.60 shipping
Male BSPT to Pushfit Adapter ¦ 1/2" BSPT x 3/8" Pushfit ¦ DMFit AMCBT0607
Brand New
RM 51.74 to RM 258.42
RM 89.50 shipping
FITOK Pipe Fitting Reducing Hex Nipple 1/2 x 3/8 Male NPT 316 SS 7800 psi
Brand New
RM 55.16
RM 76.52 shipping
Hex Nipple Reducer 1/2 to 3/8 Male Npt Brass Fitting Lot Of (7)
New (Other) · Unbranded
RM 169.85
RM 109.21 shipping
1/2 MNPT x 3/8 FNPT 316ss Reducing Bushing Hex Fitting DK-LOK GHB-8-6N-S
Brand New
RM 67.94
RM 93.80 shipping
Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
RM 40.98
RM 49.60 shipping
Only 2 left
Brass Pipe Fitting 1/2 NPT Male to 3/8 NPT Female Reducer Face Bushing
Brand New
RM 20.38
RM 86.79 shipping
43 watching
Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...
Brand New
RM 25.86
RM 95.16 shipping
Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 57.07
RM 49.60 shipping
1/2 to 3/8 Npt Female Pipe L Reducer Elbow 90 Degree Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 79.79
RM 49.60 shipping
1/2"x3/8" NPT Black Bushing Pack Of 25
Brand New
RM 106.16
RM 78.05 shipping
1/2 BSP Male x 3/8 BSP Female British Pipe Reducer Bushing Brass Adapter Oil Gas
Brand New · Unbranded
RM 32.31
RM 49.60 shipping
4 watching
(Lot of 5) 5404-08-06 Pipe Nipple Male 1/2 NPT to Male 3/8 NPT
New (Other) · Unbranded
RM 63.69
RM 79.32 shipping
1/2" X 3/8" Male NPT (XH) Concentric Swage Nipple Zinc Plated WPB SWG1050321
Brand New · Unbranded
RM 52.91
RM 76.48 shipping
FITOK 90° Street Elbow 1/2 FNPT x 3/8 MNPT 316 SS 5600 psi, SS-PSE-NS8-NS6
Brand New
RM 121.44
RM 78.47 shipping
1/2 to 3/8" Male NPT Brass Reducer Elbow Fitting, Fuel, Air, Water, FASPARTS
Brand New · Unbranded
RM 64.80
RM 49.60 shipping
97 sold
P00053 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 3/8 X 1/4 5 Pieces
Brand New · Parker
RM 127.39
or Best Offer
RM 102.04 shipping
1/2" X 3/8" 150# Cast Threaded (NPT) Hex Bushing 304 Stainless Steel SS12040341
Brand New · Unbranded
RM 35.33
RM 75.97 shipping
6 watching
1/2 - 3/8 Female Npt Fpt Steel Reducer Elbow Fitting Fuel, Air, Water, Oil, Gas
Brand New · Unbranded
RM 53.25
RM 49.60 shipping
SWAGE NIPPLE Concentric 1/2" Bevel End x 3/8" NPT Schedule 160 Black Steel
New (Other)
RM 91.93
or Best Offer
RM 77.62 shipping
FS2501-08-06 Hydraulic Fitting 90° Elbow Male 1/2 ORFS-08 to Male 3/8" NPT
New (Other) · Unbranded
RM 44.59
RM 76.22 shipping
1/2"NPT x 3/8" NPT Male to Male Hex Nipple Pipe Fitting Reducer MB-316 Stainless
New (Other) · Unbranded
RM 76.43
or Best Offer
RM 111.68 shipping
Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Tube Fitting
New (Other) · Swagelok
RM 44.54
RM 270.49 shipping
(2) 2605-08-06-08 Branch Tee male JIC-08 to male 3/8 NPT to male JIC-08
New (Other) · Unbranded
RM 53.08
RM 76.48 shipping
(4) 2501-08-06-B Brass Fitting 90° Elbow Male 1/2 JIC-08 to Male 3/8 NPT
New (Other) · Unbranded
RM 63.69
RM 76.77 shipping
Swagelok B-810-2-6 Brass 90° Elbow 1/2" Tube OD x 3/8" Male NPT Missing Nut
New (Other) · Swagelok
RM 42.42
RM 270.49 shipping
Threaded Brass Bushing 3" - 10 tpi Plumbing pipe well 1.93" ID 4" long
Pre-Owned
RM 165.14
or Best Offer
RM 79.79 shipping
FITOK 316 SS Pipe Fitting Adapter 1/2 Female NPT × 3/8 Male NPT
Brand New
RM 64.97
RM 76.82 shipping
P00055 DOT MALE ELBOW 90 - SWIVEL PRESTOMATIC DOT 1/2" X 3/8"
Brand New · Parker
RM 233.50
or Best Offer
RM 81.78 shipping
Everbilt Adapter Coupling Fitting Brass 3/8" Flare x 1/2"FIP 865 370
New (Other)
RM 10.83
Was: RM 18.05was - RM 18.05
or Best Offer
RM 100.51 shipping
1/2" X 3/8" NPT Female Threaded Reducing Coupling 304 Stainless Steel 3000 3M
Brand New
RM 114.44
RM 78.30 shipping
(10 Pack) 1/2" x 3/8" NPT Female Reducing Black Malleable Iron 90 Elbow 150
Brand New
RM 254.57
RM 82.42 shipping
1/2" X 3/8" 150 Female NPT Bell Reducer Coupling 304 Stainless SS190403413004
Brand New · Unbranded
RM 36.14
RM 63.91 shipping
175 sold
Hex Bushing Stainless Steel 304 1/2" x 3/8" NPT Guardian
Brand New
RM 24.59
RM 95.12 shipping
(10 Pack) 1/2" x 3/8" NPT Reducing Coupling Galvanized Malleable Iron 150
Brand New
RM 169.64
RM 79.92 shipping
Steel 1/2 to 3/8 Male NPT Pipe Reducer Hex Nipple Fitting Water Oil Gas Liquid
Brand New · Unbranded
RM 42.21
RM 49.60 shipping
51 sold
(10 Pack) 1/2" X 3/8" NPT Reducing Coupling 304 Stainless Steel 150 Pipe Fitting
Brand New
RM 212.10
RM 81.15 shipping
FITOK 316 SS Hex Reducing Coupling 1/2 × 3/8 FNPT, 4900 psi, SS-PCG-NS8-NS6
Brand New
RM 74.40
RM 77.11 shipping
1/2" X 3/8" 3M/6M Threaded (NPT) Hex Bushing A105 Forged Steel FS12040321
Brand New · Unbranded
RM 31.93
RM 63.78 shipping
FITOK 316 SS Reducing Bushing 1/2 MNPT x 3/8 FNPT, SS-PRB-NS8-NS6
Brand New
RM 50.23
RM 76.39 shipping
(10 Pack) 1/2" X 3/8" NPT Thread Hex Bushing Reducing Reducer Malleable Iron
Brand New
RM 169.64
RM 79.92 shipping
(10 Pack) 1/2" X 3/8" NPT Reducing Coupling Reducer Coupler Black Malleable Iron
Brand New
RM 212.10
RM 81.15 shipping
1/2" - 3/8" Female BSP British Brass Fitting Reducer Pipe Coupling
Brand New · Unbranded
RM 43.69
RM 49.60 shipping
TYLOK 1/2" FEMALE NPT to 3/8" MALE PIPE FITTING REDUCER ADAPTER STAINLESS STEEL
Brand New · Unbranded
RM 63.65
RM 76.77 shipping
1/2" x 3/8" Reducer Hex Bushing Male NPT x Female NPT Stainless BU050/0375-304
Brand New
RM 42.17
or Best Offer
RM 76.14 shipping
1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus
New (Other) · Unbranded
RM 252.48
or Best Offer
RM 130.96 shipping
12 Pcs - 1/2 NPT M X 3/8 NPT FThreaded Hex Reducer Bushing Nylon Red - New
Brand New · Unbranded
RM 42.46
or Best Offer
RM 102.93 shipping
ISE Japan Coupling | 1/2" X 3/8" | 304 SST | SA182F304
Pre-Owned
RM 84.93
or Best Offer
RM 65.35 shipping
1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New
Brand New · Swagelok
RM 29.72
or Best Offer
RM 90.49 shipping
(5 Pack Ships Fast) 1/2 Male NPT x 3/8 Female NPT Hex Brass Reducing Bushing
Brand New
RM 63.48
RM 76.77 shipping
Industrial Grade 1MNG9 Reducing Coupling, 1/2" x 3/8" Threaded
New (Other)
RM 27.52
Was: RM 30.57was - RM 30.57
RM 96.73 shipping
1/2" x 3/8" 150 Female NPT Bell Reducer Coupling Stainless CP050/0375-304 5 Pack
Brand New
RM 75.07
or Best Offer
RM 77.11 shipping
1/2" Female NPT to 3/8" Male JIC Flare Pipe Fitting Reducer Adapter SS304
Brand New · Unbranded
RM 55.16
RM 76.52 shipping
6 watching
EVERBILT LFA-274 1/2 in. Threaded Flare x 3/8 FIP Brass Adapter Coupling Fitting
Brand New
RM 55.16
RM 87.81 shipping

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

Shop by Category

80 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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Everbilt Adapter Coupling Fitting Brass 3/8" Flare x 1/2"FIP 865 370

1/2" X 3/8" NPT Female Threaded Reducing Coupling 304 Stainless Steel 3000 3M

(10 Pack) 1/2" x 3/8" NPT Female Reducing Black Malleable Iron 90 Elbow 150

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

Hex Bushing Stainless Steel 304 1/2" x 3/8" NPT Guardian

(10 Pack) 1/2" x 3/8" NPT Reducing Coupling Galvanized Malleable Iron 150

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

(10 Pack) 1/2" X 3/8" NPT Reducing Coupling 304 Stainless Steel 150 Pipe Fitting

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

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

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

(10 Pack) 1/2" X 3/8" NPT Thread Hex Bushing Reducing Reducer Malleable Iron

(10 Pack) 1/2" X 3/8" NPT Reducing Coupling Reducer Coupler Black Malleable Iron

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

TYLOK 1/2" FEMALE NPT to 3/8" MALE PIPE FITTING REDUCER ADAPTER STAINLESS STEEL

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

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

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

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

1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New

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

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

1/2" x 3/8" 150 Female NPT Bell Reducer Coupling Stainless CP050/0375-304 5 Pack

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

EVERBILT LFA-274 1/2 in. Threaded Flare x 3/8 FIP Brass Adapter Coupling Fitting

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