MS20500 and MS20501
 |
- MS20500E, MILITARY STANDARD, NUT, SELF LOCKING, HEXAGON, 1200 DEG. F, 125 KSI FTU (22 AUG 1986)
- MS20500E (AMENDMENT 1), MILITARY SPECIFICATION NUT, SELF-LOCKING, HEXAGON, 1200ºF, 125 KSI FTU (23 OCT 2002).,
- MS20501D, MILITARY STANDARD, NUT, SELF LOCKING, PLATE, TWO LUG, 1200 DEG. F, 125 KSI FTU (1 DEC 1993) [S/S BY NASM20501]
- PROCUREMENT SPECIFICATION: MIL-N-7873B, MILITARY SPECIFICATION, NUT, SELF-LOCKING, 1,200 DEG. F (26 MAY 1994) [S/S BY NASM7873]
