Shop 4 Inch NPT Cap

Sponsored
About our ads
$32.51
Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 2WJ69
Grainger
$32.51
Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 2WJ69
Grainger
$25.37
Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT Model: 2WU81
Grainger
$25.37
Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT Model: 2WU81
Grainger
$32.00
Plastic End Caps - 4", Black - ULINE - Carton Of 100
Uline
$32.00
Plastic End Caps - 4", Black - ULINE - Carton Of 100
Uline
$164.34
Round Cap: 316L Stainless Steel, 4 in Fitting Pipe Size, Female NPT, Class 150, 51.9 mm Overall Lg Model: 60RDC111N040
Grainger
$164.34
Round Cap: 316L Stainless Steel, 4 in Fitting Pipe Size, Female NPT, Class 150, 51.9 mm Overall Lg Model: 60RDC111N040
Grainger
$12.99
2Pack 4 Inch PVC Male Threaded Pipe End Cap 4" PVC Pipe Male Thread Plug Adaptor SCH40 NPT Plug Pipe Fitting For Plumbing Water Line
Amazon.com
130
$12.99
2Pack 4 Inch PVC Male Threaded Pipe End Cap 4" PVC Pipe Male Thread Plug Adaptor SCH40 NPT Plug Pipe Fitting For Plumbing Water Line
Amazon.com
$9.11
Pipe Cap: Schedule 40, PVC, 4 in Size, Threaded, Female NPT, White, 220 Psi Max Op Pressure, Cap Model: 448040
Grainger
$9.11
Pipe Cap: Schedule 40, PVC, 4 in Size, Threaded, Female NPT, White, 220 Psi Max Op Pressure, Cap Model: 448040
Grainger
$31.55
Square Head Plug: Malleable Iron, 4 In, Male NPT, Class 150 Model: 2WJ76
Grainger
$31.55
Square Head Plug: Malleable Iron, 4 In, Male NPT, Class 150 Model: 2WJ76
Grainger
$9.79
Maintenance Warehouse® Flexible Pipe Cap 4
hdsupplysolutions.com
$9.79
Maintenance Warehouse® Flexible Pipe Cap 4
hdsupplysolutions.com
$116.17
Smith Cooper 4 in. Grooved Drain Cap W/ 1" NPT Drain - Fig. 65DC - 4327000206
John M. Ellsworth Co., Inc.
$116.17
Smith Cooper 4 in. Grooved Drain Cap W/ 1" NPT Drain - Fig. 65DC - 4327000206
John M. Ellsworth Co., Inc.
$166.64
Anvil Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 0319901005
Grainger
$166.64
Anvil Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 0319901005
Grainger
$22.15
Cap Cap, 4" Pipe, FNPT, Malleable Iron, 150
Zoro.com
$22.15
Cap Cap, 4" Pipe, FNPT, Malleable Iron, 150
Zoro.com
$55.65
OPW 116 Series 4 in. Pipe Cap - 1167085
John M. Ellsworth Co., Inc.
$55.65
OPW 116 Series 4 in. Pipe Cap - 1167085
John M. Ellsworth Co., Inc.
$99.66
Anvil Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT, Class 150 Model: 0318901006
Grainger
$99.66
Anvil Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT, Class 150 Model: 0318901006
Grainger
$5.21
Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKH9
Grainger
$5.21
Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKH9
Grainger
$8.27
Flush Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKT1
Grainger
$8.27
Flush Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKT1
Grainger
$206.42
Anvil Round Cap: Forged Steel, 4 in Fitting Pipe Size, Female NPT, Class 3000 Model: 0361190200
Grainger
$206.42
Anvil Round Cap: Forged Steel, 4 in Fitting Pipe Size, Female NPT, Class 3000 Model: 0361190200
Grainger
$74.35
OPW 4 in. Tight-Fill Top-Seal Fill Cap - 634TT7085EVR
John M. Ellsworth Co., Inc.
$74.35
OPW 4 in. Tight-Fill Top-Seal Fill Cap - 634TT7085EVR
John M. Ellsworth Co., Inc.
$12.92
Greenseam End Cap: Steel, For 4 in Dia, 2 in Lg, 4 in Inlet Dia, 24 Ga Material Thick Model: GRECP4GA24
Grainger
$12.92
Greenseam End Cap: Steel, For 4 in Dia, 2 in Lg, 4 in Inlet Dia, 24 Ga Material Thick Model: GRECP4GA24
Grainger
$132.99
Cap Cap, 4" Pipe, FNPT, Malleable Iron
Zoro.com
$132.99
Cap Cap, 4" Pipe, FNPT, Malleable Iron
Zoro.com
$42.29
Hex Head Plug: Schedule 80, PVC, 4 in Size, Threaded, Male NPT, Gray, 160 Psi Max Op Pressure, Plug Model: 850-040
Grainger
$42.29
Hex Head Plug: Schedule 80, PVC, 4 in Size, Threaded, Male NPT, Gray, 160 Psi Max Op Pressure, Plug Model: 850-040
Grainger
$111.99
Cap, Aluminum, 4 In, FNPT, Class 150
Zoro.com
$111.99
Cap, Aluminum, 4 In, FNPT, Class 150
Zoro.com
$175.80
Smith Cooper Bronze 4 in. Cap Fitting - Threaded - 4385001020
John M. Ellsworth Co., Inc.
$175.80
Smith Cooper Bronze 4 in. Cap Fitting - Threaded - 4385001020
John M. Ellsworth Co., Inc.
$84.30
OPW 634 Series 4 in. Tight-Fill Top-Seal Metal Cap - 634TT4000
John M. Ellsworth Co., Inc.
$84.30
OPW 634 Series 4 in. Tight-Fill Top-Seal Metal Cap - 634TT4000
John M. Ellsworth Co., Inc.
$24.89
Malleable Iron Round Cap, 4 in FNPT, Class 150
Zoro.com
$24.89
Malleable Iron Round Cap, 4 in FNPT, Class 150
Zoro.com
$59.98
4 in. NPT Threaded Cap - 150 Black Malleable Iron Pipe Fitting - UL/FM
BFO
60-day returns (most items)
$59.98
4 in. NPT Threaded Cap - 150 Black Malleable Iron Pipe Fitting - UL/FM
BFO
$21.49
Oatey Cleanout Plug: Brass, 4 in Fitting Pipe Size, MNPT, Raised Square Plug Drive Model: 42374
Grainger
1
$21.49
Oatey Cleanout Plug: Brass, 4 in Fitting Pipe Size, MNPT, Raised Square Plug Drive Model: 42374
Grainger
$53.29
PVC Cap, FNPT, 4 in Pipe Size
Zoro.com
$53.29
PVC Cap, FNPT, 4 in Pipe Size
Zoro.com
$76.69
ANVIL Cap Cap, 4" Pipe, FNPT, Malleable Iron, Class 150, 0318901006
Zoro.com
$76.69
ANVIL Cap Cap, 4" Pipe, FNPT, Malleable Iron, Class 150, 0318901006
Zoro.com
$13.55
Socket Cap: Schedule 40, 4 in Fitting Pipe Size, Socket, White Model: 1WKK9
Grainger
$13.55
Socket Cap: Schedule 40, 4 in Fitting Pipe Size, Socket, White Model: 1WKK9
Grainger
$99.95
Gizmo Vent Cap VC-M-4 - Male Thread - 4"
Global Industrial
$99.95
Gizmo Vent Cap VC-M-4 - Male Thread - 4"
Global Industrial
$200.68
4 in. NPT Threaded - Cap - 125 Lead Free Brass Pipe Fitting - ANSI/NSF 61-4
BFO
60-day returns (most items)
$200.68
4 in. NPT Threaded - Cap - 125 Lead Free Brass Pipe Fitting - ANSI/NSF 61-4
BFO
$25.11
Value Collection Malleable Iron Pipe End Cap: 4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 4.NMCAP
MSC Direct
Special Offer
$25.11
Value Collection Malleable Iron Pipe End Cap: 4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 4.NMCAP
MSC Direct
$296.02
4 in. NPT Threaded - Cap - 300 Black Malleable Iron Pipe Fitting - UL Listed
BFO
60-day returns (most items)
$296.02
4 in. NPT Threaded - Cap - 300 Black Malleable Iron Pipe Fitting - UL Listed
BFO
$104.97
Smith Cooper Cast 150 Stainless Steel 4 in. Cap Fitting - Threaded - Fig. S3116C - 4381034110
John M. Ellsworth Co., Inc.
$104.97
Smith Cooper Cast 150 Stainless Steel 4 in. Cap Fitting - Threaded - Fig. S3116C - 4381034110
John M. Ellsworth Co., Inc.
$52.92
4 in. NPT Threaded - Cap - 150 Galvanized Malleable Iron Pipe Fitting - UL/FM
BFO
60-day returns (most items)
$52.92
4 in. NPT Threaded - Cap - 150 Galvanized Malleable Iron Pipe Fitting - UL/FM
BFO
$104.06
4 in. NPT Threaded - Regular Round Cap - 150 Cast 316 Stainless Steel Pipe Fitting
BFO
60-day returns (most items)
$104.06
4 in. NPT Threaded - Regular Round Cap - 150 Cast 316 Stainless Steel Pipe Fitting
BFO
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    Shop 4 Inch NPT Cap

    Sponsored
    About our ads
    $32.51
    Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 2WJ69
    Grainger
    $32.51
    Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 2WJ69
    Grainger
    $25.37
    Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT Model: 2WU81
    Grainger
    $25.37
    Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT Model: 2WU81
    Grainger
    $32.00
    Plastic End Caps - 4", Black - ULINE - Carton Of 100
    Uline
    $32.00
    Plastic End Caps - 4", Black - ULINE - Carton Of 100
    Uline
    $164.34
    Round Cap: 316L Stainless Steel, 4 in Fitting Pipe Size, Female NPT, Class 150, 51.9 mm Overall Lg Model: 60RDC111N040
    Grainger
    $164.34
    Round Cap: 316L Stainless Steel, 4 in Fitting Pipe Size, Female NPT, Class 150, 51.9 mm Overall Lg Model: 60RDC111N040
    Grainger
    $12.99
    2Pack 4 Inch PVC Male Threaded Pipe End Cap 4" PVC Pipe Male Thread Plug Adaptor SCH40 NPT Plug Pipe Fitting For Plumbing Water Line
    Amazon.com
    130
    $12.99
    2Pack 4 Inch PVC Male Threaded Pipe End Cap 4" PVC Pipe Male Thread Plug Adaptor SCH40 NPT Plug Pipe Fitting For Plumbing Water Line
    Amazon.com
    $9.11
    Pipe Cap: Schedule 40, PVC, 4 in Size, Threaded, Female NPT, White, 220 Psi Max Op Pressure, Cap Model: 448040
    Grainger
    $9.11
    Pipe Cap: Schedule 40, PVC, 4 in Size, Threaded, Female NPT, White, 220 Psi Max Op Pressure, Cap Model: 448040
    Grainger
    $31.55
    Square Head Plug: Malleable Iron, 4 In, Male NPT, Class 150 Model: 2WJ76
    Grainger
    $31.55
    Square Head Plug: Malleable Iron, 4 In, Male NPT, Class 150 Model: 2WJ76
    Grainger
    $9.79
    Maintenance Warehouse® Flexible Pipe Cap 4
    hdsupplysolutions.com
    $9.79
    Maintenance Warehouse® Flexible Pipe Cap 4
    hdsupplysolutions.com
    $116.17
    Smith Cooper 4 in. Grooved Drain Cap W/ 1" NPT Drain - Fig. 65DC - 4327000206
    John M. Ellsworth Co., Inc.
    $116.17
    Smith Cooper 4 in. Grooved Drain Cap W/ 1" NPT Drain - Fig. 65DC - 4327000206
    John M. Ellsworth Co., Inc.
    $166.64
    Anvil Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 0319901005
    Grainger
    $166.64
    Anvil Round Cap: Malleable Iron, 4 In, Female NPT, Class 150 Model: 0319901005
    Grainger
    $22.15
    Cap Cap, 4" Pipe, FNPT, Malleable Iron, 150
    Zoro.com
    $22.15
    Cap Cap, 4" Pipe, FNPT, Malleable Iron, 150
    Zoro.com
    $55.65
    OPW 116 Series 4 in. Pipe Cap - 1167085
    John M. Ellsworth Co., Inc.
    $55.65
    OPW 116 Series 4 in. Pipe Cap - 1167085
    John M. Ellsworth Co., Inc.
    $99.66
    Anvil Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT, Class 150 Model: 0318901006
    Grainger
    $99.66
    Anvil Round Cap: Malleable Iron, 4 in Fitting Pipe Size, Female NPT, Class 150 Model: 0318901006
    Grainger
    $5.21
    Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKH9
    Grainger
    $5.21
    Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKH9
    Grainger
    $8.27
    Flush Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKT1
    Grainger
    $8.27
    Flush Cleanout Plug: Schedule 40, 4 in Fitting Pipe Size, Male NPT, White Model: 1WKT1
    Grainger
    $206.42
    Anvil Round Cap: Forged Steel, 4 in Fitting Pipe Size, Female NPT, Class 3000 Model: 0361190200
    Grainger
    $206.42
    Anvil Round Cap: Forged Steel, 4 in Fitting Pipe Size, Female NPT, Class 3000 Model: 0361190200
    Grainger
    $74.35
    OPW 4 in. Tight-Fill Top-Seal Fill Cap - 634TT7085EVR
    John M. Ellsworth Co., Inc.
    $74.35
    OPW 4 in. Tight-Fill Top-Seal Fill Cap - 634TT7085EVR
    John M. Ellsworth Co., Inc.
    $12.92
    Greenseam End Cap: Steel, For 4 in Dia, 2 in Lg, 4 in Inlet Dia, 24 Ga Material Thick Model: GRECP4GA24
    Grainger
    $12.92
    Greenseam End Cap: Steel, For 4 in Dia, 2 in Lg, 4 in Inlet Dia, 24 Ga Material Thick Model: GRECP4GA24
    Grainger