NPT-to-NPT Straight Coupling 3/8 in End B Diameter Threaded Fittings

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Pipe & Hose Fittings

50 results

Stainless Steel 304 Fitting Reducing Coupling Class 150 1" X 3/8"...
Brand New
RM 34.73
RM 103.78 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...
Brand New
RM 25.83
RM 95.04 shipping
3/8 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-C
Brand New · Unbranded
RM 39.53
RM 49.53 shipping
161 sold
Qty(20) Plumbing coupling fitting 1/8"NPT Female x 1/8"NPT Female. NPT-t-NPT
Brand New
RM 207.72
RM 80.96 shipping
3/8 Male to Female Npt Pipe Adapter Coupling Brass Fitting Air Fuel Gas Water
Brand New · Unbranded
RM 36.81
RM 49.53 shipping
222 sold
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
RM 46.18
RM 49.53 shipping
133 watching
3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-C
Brand New · Unbranded
RM 71.04
RM 49.53 shipping
68 sold
3/8" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050341304
Brand New
RM 37.96
RM 63.87 shipping
583 sold
Qty (10) Parker 222P-6-4 Brass Reducing Adapter 3/8” FNPT To 1/4” MNPT, USA
New (Other) · Parker
RM 127.02
RM 81.09 shipping
Steel 3/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel
Brand New · Unbranded
RM 69.76
RM 49.53 shipping
Steel 3/8" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG
Brand New · Unbranded
RM 36.94
RM 49.53 shipping
Steel 1/2 - 3/8 Female Npt Fpt Pipe Fitting Straight Coupling Reducer Adapter
Brand New · Unbranded
RM 40.93
RM 49.53 shipping
Only 1 left!
Steel 1/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel
Brand New · Unbranded
RM 55.26
RM 49.53 shipping
ASP 304 Stainless Steel Pipe Union Class 1M Female 3/8" NPT to Female 3/8" NPT
New (Other)
RM 63.62
RM 76.68 shipping
Female Pipe Reducer 1/2" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 57.00
RM 49.53 shipping
33250-06-06 3/8" Brass Female Pipe Union NPT
New (Other) · Unbranded
RM 57.25
RM 76.51 shipping
Only 1 left!
3/8" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050321304
Brand New
RM 44.70
RM 64.08 shipping
50 sold
10 Piece Package SWAGELOK Equivalent to SS-6-HRCG-4, 1/4" FNPT x 3/8" FNPT
Brand New
RM 551.33
or Best Offer
RM 91.10 shipping
Steel Pipe Adapter Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid
Brand New · Unbranded
RM 38.47
RM 49.53 shipping
Female Pipe Reducer 3/4" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas
Brand New · Unbranded
RM 61.71
RM 49.53 shipping
8 watching
FITOK 316 SS Hex Coupling 3/8 Female NPT, 5300 psi, SS-PCG-NS6
Brand New
RM 61.88
RM 76.63 shipping
3/8 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts
Brand New · Unbranded
RM 31.43
RM 49.53 shipping
3/8" Threaded Union 304 Stainless Steel
Brand New · Unbranded
RM 26.93
RM 143.05 shipping
Steel 3/8" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid
Brand New · Unbranded
RM 43.09
RM 49.53 shipping
3/8" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel FS050321
Brand New · Unbranded
RM 39.78
RM 63.95 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 2" X 3/8" NPT
Brand New
RM 92.88
RM 115.31 shipping
Stainless Steel 304 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
RM 22.86
RM 94.96 shipping
FITOK 316 SS Hex Reducing Coupling 1/2 × 3/8 FNPT, 4900 psi, SS-PCG-NS8-NS6
Brand New
RM 74.30
RM 77.02 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 3/4" X 3/8" Female NPT
Brand New
RM 29.26
RM 95.13 shipping
3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 14* Unused Surplus
New (Other) · Unbranded
RM 324.27
or Best Offer
RM 207.72 shipping
THREADED STEEL CLOSE NIPPLE 3/8" NPT 1" LONG LOT OF 3 NNB
New (Other) · Unbranded
RM 50.76
or Best Offer
RM 76.30 shipping
1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Cajon Swagelok SS-6-HRCG-4
Brand New · Swagelok
RM 93.30
RM 82.40 shipping
Stainless Steel 316 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
RM 24.98
RM 95.42 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/4" X 3/8" NPT
Brand New
RM 46.23
RM 109.67 shipping
(Ships Fast) 3/8" NPT Female Full Coupling | 3000 (3M) 304 Stainless Steel
Brand New
RM 54.92
RM 76.42 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 3/4" X 3/8" NPT
Brand New
RM 30.49
RM 95.17 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/4" X 3/8“ Female NPT
Brand New
RM 41.99
RM 109.76 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 3/8" Female NPT
Brand New
RM 80.15
RM 114.93 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT
Brand New
RM 58.95
RM 110.05 shipping
1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus
New (Other) · Unbranded
RM 252.17
or Best Offer
RM 130.79 shipping
Lot of 13, 3/8" NPT, Female 3-Piece Brass Pipe Union Couplings
New (Other)
RM 254.25
RM 293.77 shipping
STRAIGHT BRASS FITTING (3/8” NPTF, .455" ID, .670” DIA., 1.04” LG.) X111H
New (Other) · Unbranded
RM 38.13
or Best Offer
RM 97.16 shipping
3/8" Galvanized Coupler NPT
Brand New
RM 13.74
RM 80.03 shipping
1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New
Brand New · Swagelok
RM 29.69
or Best Offer
RM 90.38 shipping
3/8" FPT x 1/4" MPT Reducing Adapter, Parker 222P-6-4 - Lot of 5, New
Brand New · Parker
RM 50.89
or Best Offer
RM 114.46 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
RM 63.62
or Best Offer
RM 91.56 shipping
Banjo Threaded Polypropylene Pipe Coupling, 3/8" NPT Female - CPLG038
Brand New
RM 38.13
RM 63.87 shipping
3/4" to 3/8” Female NPT Threaded Reducer Reducing Coupling Stainless Socket
New (Other) · Unbranded
RM 12.72
RM 101.28 shipping
EVERBILT LFA-177 3/8 in. Threaded Flare x 1/2 FIP Brass Adapter Coupling Fitting
Brand New
RM 42.20
RM 76.04 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" Female NPT
Brand New
RM 50.47
RM 110.01 shipping

NPT-to-NPT Straight Coupling 3/8 in End B Diameter Threaded Fittings

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50 results

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

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

3/8 Npt Female Pipe Coupling Brass Fitting Air Water Oil Gas Fuel 103-C

Qty(20) Plumbing coupling fitting 1/8"NPT Female x 1/8"NPT Female. NPT-t-NPT

3/8 Male to Female Npt Pipe Adapter Coupling Brass Fitting Air Fuel Gas Water

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

3/8 Npt Female 3 Piece Union Coupling Brass Pipe Fitting Air Water Oil Gas 104-C

3/8" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050341304

Qty (10) Parker 222P-6-4 Brass Reducing Adapter 3/8” FNPT To 1/4” MNPT, USA

Steel 3/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel

Steel 3/8" Female Npt Fpt Fip Thread Pipe Fitting Straight Coupling Joiner WOG

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

Steel 1/4 Female Npt x 3/8 Npt Male Pipe Reducer Adapter Fitting Water Oil Fuel

ASP 304 Stainless Steel Pipe Union Class 1M Female 3/8" NPT to Female 3/8" NPT

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

33250-06-06 3/8" Brass Female Pipe Union NPT

3/8" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050321304

10 Piece Package SWAGELOK Equivalent to SS-6-HRCG-4, 1/4" FNPT x 3/8" FNPT

Steel Pipe Adapter Fitting 3/8 Female Npt x 3/8 Npt Male Water Oil Fuel Liquid

Female Pipe Reducer 3/4" to 3/8" Npt Adapter Coupler Brass Fitting Water Oil Gas

FITOK 316 SS Hex Coupling 3/8 Female NPT, 5300 psi, SS-PCG-NS6

3/8 Npt Male Close Nipple Brass Pipe Fitting Air Fuel Oil Gas Water FasParts

3/8" Threaded Union 304 Stainless Steel

Steel 3/8" Npt Male Close Nipple Pipe Fitting Mpt Mip Fuel Oil Gas Liquid

3/8" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel FS050321

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

Stainless Steel 304 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty

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

Stainless Steel 304 Fitting Reducing Coupling Class 150 3/4" X 3/8" Female NPT

3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 14* Unused Surplus

THREADED STEEL CLOSE NIPPLE 3/8" NPT 1" LONG LOT OF 3 NNB

1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Cajon Swagelok SS-6-HRCG-4

Stainless Steel 316 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty

Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/4" X 3/8" NPT

(Ships Fast) 3/8" NPT Female Full Coupling | 3000 (3M) 304 Stainless Steel

Stainless Steel 316 Fitting Reducing Coupling Class 150 3/4" X 3/8" NPT

Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/4" X 3/8“ Female NPT

Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 3/8" Female NPT

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

Lot of 13, 3/8" NPT, Female 3-Piece Brass Pipe Union Couplings

STRAIGHT BRASS FITTING (3/8” NPTF, .455" ID, .670” DIA., 1.04” LG.) X111H

3/8" Galvanized Coupler NPT

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

3/8" FPT x 1/4" MPT Reducing Adapter, Parker 222P-6-4 - Lot of 5, New

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

Banjo Threaded Polypropylene Pipe Coupling, 3/8" NPT Female - CPLG038

3/4" to 3/8” Female NPT Threaded Reducer Reducing Coupling Stainless Socket

EVERBILT LFA-177 3/8 in. Threaded Flare x 1/2 FIP Brass Adapter Coupling Fitting

Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" Female NPT

3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler Lot Of 14 Unused Surplus

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