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Pipe Caps and Plugs
Measured in Nominal Pipe Size (NPS) pipe caps and plugs have the same threads matching the ends of plumbing lines. Typically pipes have NPT or BSPT threaded ends, or straight SAE/MS threads.
Swagelok Co.
Pipe Cap Female NPT

Swagelok® pipe fitting cap with a female NPT end.
Nominal Pipe Size | Material | Mfg P/N | Encole P/N | Price | |
---|---|---|---|---|---|
NPT 1/8” | 316 SS | SS-2-CP | 1095E801 | Contact Manufacturer | |
NPT 1/4” | 316 SS | SS-4-CP | 1095E802 | Contact Manufacturer | |
NPT 3/8” | 316 SS | SS-6-CP | 1095E804 | Contact Manufacturer | |
NPT 1/2” | 316 SS | SS-8-CP | 1095E805 | Contact Manufacturer | |
NPT 3/4” | 316 SS | SS-12-CP | 1095E807 | Contact Manufacturer | |
NPT 1” | 316 SS | SS-16-CP | 1095E808 | Contact Manufacturer |
Swagelok Co.
Pipe Plug NPT

Swagelok® pipe fitting plug with a male NPT end.
Nominal Pipe Size | Material | Mfg P/N | Encole P/N | Price | |
---|---|---|---|---|---|
NPT 1/16” | 316 SS | SS-1-P | 1096E701 | Contact Manufacturer | |
NPT 1/8” | 316 SS | SS-2-P | 1096E702 | Contact Manufacturer | |
NPT 1/4” | 316 SS | SS-4-P | 1096E703 | Contact Manufacturer | |
NPT 3/8” | 316 SS | SS-6-P | 1096E704 | Contact Manufacturer | |
NPT 1/2” | 316 SS | SS-8-P | 1096E705 | Contact Manufacturer | |
NPT 3/4” | 316 SS | SS-12-P | 1096E706 | Contact Manufacturer | |
NPT 1” | 316 SS | SS-16-P | 1096E707 | Contact Manufacturer |
Swagelok Co.
Pipe Plug NPT, Allen Head

Swagelok® pipe fitting plug with a male NPT end and an allen hex.
Nominal Pipe Size | Material | Mfg P/N | Encole P/N | Price | |
---|---|---|---|---|---|
NPT 1/8” | 316 SS | SS-2-HP | 1097E401 | Contact Manufacturer | |
NPT 1/4” | 316 SS | SS-4-HP | 1097E402 | Contact Manufacturer | |
NPT 3/8” | 316 SS | SS-6-HP | 1097E403 | Contact Manufacturer | |
NPT 1/2” | 316 SS | SS-8-HP | 1097E404 | Contact Manufacturer |
Swagelok Co.
Pipe Plug SAE, Allen Head

Swagelok® pipe fitting plug with a SAE end and an allen hex. The plug fits into SAE J1926-1 female port.
Nominal Pipe Size | Material | Mfg P/N | Encole P/N | Price | |
---|---|---|---|---|---|
SAE-4 | 316 SS | SS-4-HPST | 1099E501 | Contact Manufacturer | |
SAE-6 | 316 SS | SS-6-HPST | 1099E502 | Contact Manufacturer | |
SAE-8 | 316 SS | SS-8-HPST | 1099E503 | Contact Manufacturer | |
SAE-12 | 316 SS | SS-12-HPST | 1099E504 | Contact Manufacturer | |
SAE-16 | 316 SS | SS-16-HPST | 1099E505 | Contact Manufacturer |
Swagelok Co.
Pipe Plug SAE, HEX Head

Swagelok® pipe fitting plug with a SAE end and a hex head. The plug fits into SAE J1926-1 female port.
Nominal Pipe Size | Material | Mfg P/N | Encole P/N | Price | |
---|---|---|---|---|---|
SAE-4 | 316 SS | SS-4-PST | 1100E501 | Contact Manufacturer | |
SAE-6 | 316 SS | SS-6-PST | 1100E502 | Contact Manufacturer | |
SAE-8 | 316 SS | SS-8-PST | 1100E503 | Contact Manufacturer | |
SAE-12 | 316 SS | SS-12-PST | 1100E504 | Contact Manufacturer | |
SAE-16 | 316 SS | SS-16-PST | 1100E505 | Contact Manufacturer |