SAE J2271_200901

1 Scope
2 References
3 Definitions
4 Technical Requirements
5 Quality Assurance Requirements
6 Notes

This SAE Parts Standard provides dimensional and quality assurance requirements for studs in the following configurations in standard materials used for ship system applications: aContinuous thread studs in UNRC and 8UNR series in the following threads and diameters: UNRC threads (1/4 through 4 inches) UNRF threads (1/4 through 1-1/2 inches) UNRC threads (1/4 through 4 inches) UNRF threads (1/4 through 1-1/2 inches) 8UNR threads (1-1/8 through 4 inches) Different thread forms on each end are permissible.

This SAE Parts Standard provides dimensional and quality assurance requirements for studs in the following configurations in standard materials used for ship system applications:aContinuous thread studs in UNRC and 8UNR series in the following threads and diameters:UNRC threads (0.190 through 4 inches)UNRF threads (0.190 through 1-1/2 inches)8UNR threads (1-1/8 through 4 inches)bDouble end studs (clamping type) where both ends are of the same thread length in the following threads and diameters:UNRC threads (1/4 through 4 inches)UNRF threads (1/4 through 1-1/2 inches)8UNR threads (1-1/8 through 4 inches)cDouble end studs (tap end type) where the tap end thread length is equivalent to 1-1/2 nominal diameters:NC-5 interference-fit tap end thread with UNRC, UNRF or 8UN nut end threads (1/4 through 1-1/2 inches)UNRC and 8 UN threads both ends (1/4 through 4 inches)UNRC threads both ends (1/4 through 1-1/2 inches)