Trans Am inventories a complete range of Seamless Steel Pipe Nipples to ASTM and ASME specifications:
NPS 1/8" through NPS 4"
XH, Sch 160, and XXH
Carbon Steel, ASTM A/SA106B, A/SA333 Grade 6
Lengths from close through 12" long
Plain Both End
Thread Both End
Thread by Plain
note: all pipe nipples that are longer than "short" are die stamped for complete traceability.