NPT Fittings (ID=153)

A complete line of couplings and adapters with NPT threaded connections are now available. These fittings feature 316 cold-worked stainless steel construction, with other materials available. HiP maintains an inventory of these fittings for quick ship requirements.


NPT Straight Couplings

Catalog No. Pressure
Rating
psi
Connections A B Length Hex
Size
15-21NFA 15000 1/8” FEMALE NPT x 1/8” FEMALE NPT NFA NFA 1 1/4" 3/4"
15-21NFB 15000 1/4” FEMALE NPT x 1/4” FEMALE NPT NFB NFB 1 3/4" 1"
15-21NFC 15000 3/8” FEMALE NPT x 3/8” FEMALE NPT NFC NFC 1 3/8" 1"
15-21NFD 15000 1/2” FEMALE NPT x 1/2” FEMALE NPT NFD NFD 1 7/8" 1 3/8"
10-21NFF 10,000 3/4” FEMALE NPT x 3/4” FEMALE NPT NFF NFF 2 1/2" 1 3/8"
10-21NFH 10,000 1” FEMALE NPT x 1” FEMALE NPT NFH NFH 2 1/2" 1 3/4"
 

NPT Reducer Couplings

Catalog No. Pressure
Rating
psi
Connections A B Length Hex
Size
15-21NFBNFC 15000 1/4” FEMALE NPT x 3/8” FEMALE NPT NFB NFC 1 1/2" 1"
15-21NFBNFD 15000 1/4” FEMALE NPT x 1/2” FEMALE NPT NFB NFD 2" 1 3/8"
15-21NFCNFD 15000 3/8” FEMALE NPT x 1/2” FEMALE NPT NFC NFD 2" 1 3/8"
 

Adapters: Male to Male NPT

Catalog No. Pressure
Rating
psi
Connections A B Length Hex
Size
15-21NMANMA 15000 1/8” MALE NPT x 1/8” MALE NPT NMA NMA 1 3/4" 1/2"
15-21NMBNMB 15000 1/4” MALE NPT x 1/4” MALE NPT NMB NMB 1 7/8" 5/8"
15-21NMCNMC 15000 3/8” MALE NPT x 3/8” MALE NPT NMC NMC 2" 3/4"
15-21NMDNMD 15000 1/2” MALE NPT x 1/2” MALE NPT NMD NMD 2 1/8" 1"
10-21NMFNMF 10,000 3/4” MALE NPT x 3/4” MALE NPT NMF NMF 2 3/8" 1 1/8"
10-21NMHNMH 10,000 1” MALE NPT x 1” MALE NPT NMH NMH 2 5/8" 1 3/8"
15-21NMBNMC 15000 1/4” MALE NPT x 3/8” MALE NPT NMB NMC 2" 3/4"
15-21NMBNMD 15000 1/4” MALE NPT x 1/2” MALE NPT NMB NMD 2" 7/8"
15-21NMCNMD 15000 3/8” MALE NPT x 1/2” MALE NPT NMC NMD 2" 1"
 

Adapters: Female to Male NPT

Catalog No. Pressure
Rating
psi
Connections A B Length Hex
Size
15-21NFANMA 15000 1/8” FEMALE NPT x 1/8” MALE NPT NFA NMA 1 1/2" 3/4"
15-21NFANMB 15000 1/8” FEMALE NPT x 1/4” MALE NPT NFA NMB 1 3/4" 3/4"
15-21NFANMC 15000 1/8” FEMALE NPT x 3/8” MALE NPT NFA NMC 1 5/8" 3/4"
15-21NFANMD 15000 1/8” FEMALE NPT x 1/2” MALE NPT NFA NMD 1 3/4" 7/8"
15-21NFBNMA 15000 1/4” FEMALE NPT x 1/8” MALE NPT NFB NMA 1 5/8" 3/4"
15-21NFBNMB 15000 1/4” FEMALE NPT x 1/4” MALE NPT NFB NMB 1 5/8" 1"
15-21NFBNMC 15000 1/4” FEMALE NPT x 3/8” MALE NPT NFB NMC 1 5/8" 1"
15-21NFBNMD 15000 1/4” FEMALE NPT x 1/2” MALE NPT NFB NMD 1 3/4" 1"
15-21NFCNMB 15000 3/8” FEMALE NPT x 1/4” MALE NPT NFC NMB 1 7/8" 1"
15-21NFCNMD 15000 3/8” FEMALE NPT x 1/2” MALE NPT NFC NMD 1 3/4" 1"
15-21NFDNMA 15000 1/2” FEMALE NPT x 1/8” MALE NPT NFD NMA 2" 1 3/8"
15-21NFDNMB 15000 1/2” FEMALE NPT x 1/4” MALE NPT NFD NMB 2" 1 3/8"
15-21NFDNMC 15000 1/2” FEMALE NPT x 3/8” MALE NPT NFD NMC 1 3/4" 1 3/8"
15-21NFDNMD 15000 1/2” FEMALE NPT x 1/2” MALE NPT NFD NMD 2 1/4" 1 1/8"
10-21NFFNMD 10,000 3/4” FEMALE NPT x 1/2” MALE NPT NFF NMD 2 3/8" 1 3/8"
10-21NFFNMH 10,000 3/4” FEMALE NPT x 1” MALE NPT NFF NMH 2 3/8" 1 3/8"
10-21NFHNMD 10,000 1” FEMALE NPT x 1/2” MALE NPT NFH NMD 2 3/4" 1 7/8"
10-21NFHNMF 10,000 1” FEMALE NPT x 3/4” MALE NPT NFH NMF 2 3/4" 1 7/8"
 

Products