3/8 Inch NPT-to-NPT Straight Coupling Fittings for sale

ASP 304 Stainless Steel Pipe Union Class 1M Female 3/8" NPT to Female 3/8" NPT
New (Other)
RM 62.95
RM 75.88 shipping
Lot of 3, 1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Swagelok SS-6-HRCG-4
Brand New · Swagelok
RM 125.86
RM 77.77 shipping
SS-443 316 Stainless Steel Pipe Reducer Female 1-1/2" NPT to Female 3/8" NPT
New (Other) · Unbranded
RM 44.07
RM 77.85 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1/2" X 3/8"...
Brand New
RM 25.56
RM 94.05 shipping
Qty (10) Parker 222P-6-4 Brass Reducing Adapter 3/8” FNPT To 1/4” MNPT, USA
New (Other) · Parker
RM 125.69
RM 80.24 shipping
FITOK 316 SS Hex Coupling 3/8 Female NPT, 5300 psi, SS-PCG-NS6
Brand New
RM 61.23
RM 75.84 shipping
Swagelok SS-6-HRCG-4 Reducing Hex Coupling Fitting 3/8” FNPT X 1/4” FNPT SS 316
New (Other) · Swagelok
RM 53.64
RM 96.44 shipping
3/8" 150 Female (NPT) Full Coupling 304 Stainless Steel Coupler SS050341304
Brand New
RM 37.56
RM 63.20 shipping
590 sold
Qty(20) Plumbing coupling fitting 1/8"NPT Female x 1/8"NPT Female. NPT-t-NPT
Brand New
RM 205.56
RM 80.12 shipping
1/2” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 10* Unused Surplus
New (Other) · Unbranded
RM 249.54
or Best Offer
RM 137.82 shipping
Turned 316 Stainless Steel Pipe Reducer Female 1-1/2" NPT to Female 3/8" NPT
New (Other) · Unbranded
RM 62.95
RM 78.40 shipping
(Lot of 2) 3/8" NPT Malleable Black Iron Pipe Female Coupling Class 150
New (Other) · Unbranded
RM 41.97
RM 75.29 shipping
5406-20-06-SS Stainless Steel Pipe Reducer Male 1-1/4" NPT to Female 3/8" NPT
New (Other) · Unbranded
RM 44.07
RM 77.85 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1" X 3/8"...
Brand New
RM 34.37
RM 102.70 shipping
3/8" 3000 (3M) Threaded (NPT) Full Coupling A105 Forged Steel FS050321
Brand New · Unbranded
RM 39.37
RM 63.29 shipping
3/8" 3000 (3M) Female (NPT) Full Coupling 304 Stainless Steel SS050321304
Brand New
RM 44.23
RM 63.41 shipping
50 sold
3/4” X 3/8” NPT Female Coupling 304 Stainless Coupler *Lot Of 14* Unused Surplus
New (Other) · Unbranded
RM 320.89
or Best Offer
RM 213.95 shipping
1/2 FPT x 3/8 FPT, Heavy Duty Brass Reducing Coupling - New
Brand New · Swagelok
RM 20.98
or Best Offer
RM 97.79 shipping
(Ships Fast) 3/8" NPT Female Full Coupling | 3000 (3M) 304 Stainless Steel
Brand New
RM 54.35
RM 75.63 shipping
2-Pk Brass Fitting 3/8 Flare Male x 3/8 Flare FIP Thread Tube Adapter
New (Other) · Unbranded
RM 62.74
or Best Offer
RM 75.88 shipping
Lot of 13, 3/8" NPT, Female 3-Piece Brass Pipe Union Couplings
New (Other)
RM 251.60
RM 290.71 shipping
THREADED STEEL CLOSE NIPPLE 3/8" NPT 1" LONG LOT OF 3 NNB
New (Other) · Unbranded
RM 50.24
or Best Offer
RM 75.50 shipping
FITOK 316 SS Hex Reducing Coupling 1/2 × 3/8 FNPT, 4900 psi, SS-PCG-NS8-NS6
Brand New
RM 73.53
RM 76.21 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 3/4" X 3/8" NPT
Brand New
RM 33.53
RM 94.30 shipping
10 Piece Package SWAGELOK Equivalent to SS-6-HRCG-4, 1/4" FNPT x 3/8" FNPT
Brand New
RM 713.46
RM 95.10 shipping
Banjo Threaded Polypropylene Pipe Coupling, 3/8" NPT Female - CPLG038
Brand New
RM 37.73
RM 63.20 shipping
EVERBILT LFA-177 3/8 in. Threaded Flare x 1/2 FIP Brass Adapter Coupling Fitting
Brand New
RM 50.36
RM 75.50 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" NPT
Brand New
RM 65.26
RM 109.12 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 3/4" X 3/8" Female NPT
Brand New
RM 28.96
RM 94.13 shipping
Stainless Steel 304 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
RM 22.62
RM 93.97 shipping
1/4 FNPT x 3/8 FNPT 316ss Hex Reducing Coupling Cajon Swagelok SS-6-HRCG-4
Brand New · Swagelok
RM 92.33
RM 83.89 shipping
Stainless Steel 316 Fitting 3/8" Inch Full Coupling Class 150 Heavy Duty
Brand New
RM 24.72
RM 94.43 shipping
3/8" Threaded Union 304 Stainless Steel
Brand New · Unbranded
RM 26.65
RM 143.91 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 2" X 3/8" NPT
Brand New
RM 95.10
RM 114.19 shipping
Stainless Steel 316 Fitting Reducing Coupling Class 150 1-1/4" X 3/8" NPT
Brand New
RM 52.46
RM 108.74 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 2" X 3/8" Female NPT
Brand New
RM 79.32
RM 113.73 shipping
3/8" FPT x 1/4" MPT Reducing Adapter, Parker 222P-6-4 - Lot of 5, New
Brand New · Parker
RM 50.36
or Best Offer
RM 120.20 shipping
STRAIGHT BRASS FITTING (3/8” NPTF, .455" ID, .670” DIA., 1.04” LG.) X111H
New (Other) · Unbranded
RM 37.73
or Best Offer
RM 96.15 shipping
LOT OF 4 Full Coupling 3/8"NPT female 304 Stainless Steel Coupler 3/8 in. FNPT
Brand New
RM 50.36
RM 84.94 shipping
Reducer Pipe Adapter 1/2 Female Npt to 3/8 Male Npt Brass Fitting Water Air Gas
Brand New · Unbranded
RM 62.95
or Best Offer
RM 99.84 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/2" X 3/8" Female NPT
Brand New
RM 49.94
RM 108.86 shipping
Stainless Steel 304 Fitting Reducing Coupling Class 150 1-1/4" X 3/8“ Female NPT
Brand New
RM 41.55
RM 108.61 shipping
3/8" Galvanized Coupler NPT
Brand New
RM 13.60
RM 81.54 shipping
3/4" to 3/8” Female NPT Threaded Reducer Reducing Coupling Stainless Socket
New (Other) · Unbranded
RM 8.39
RM 107.23 shipping

3/8 Inch NPT-to-NPT Straight Coupling Fittings

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44 results

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

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

SS-443 316 Stainless Steel Pipe Reducer Female 1-1/2" NPT to Female 3/8" NPT

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

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

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

Swagelok SS-6-HRCG-4 Reducing Hex Coupling Fitting 3/8” FNPT X 1/4” FNPT SS 316

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

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

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

Turned 316 Stainless Steel Pipe Reducer Female 1-1/2" NPT to Female 3/8" NPT

(Lot of 2) 3/8" NPT Malleable Black Iron Pipe Female Coupling Class 150

5406-20-06-SS Stainless Steel Pipe Reducer Male 1-1/4" NPT to Female 3/8" NPT

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

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

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

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

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

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

2-Pk Brass Fitting 3/8 Flare Male x 3/8 Flare FIP Thread Tube Adapter

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

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

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

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

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

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

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

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

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

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

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

3/8" Threaded Union 304 Stainless Steel

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

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

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

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

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

LOT OF 4 Full Coupling 3/8"NPT female 304 Stainless Steel Coupler 3/8 in. FNPT

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

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

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

3/8" Galvanized Coupler NPT

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

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

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