WASHER, FLAT - ROUND, STEEL, GENERAL PURPOSE (SUPERSEDING MS51412B)
通用钢制平圆垫圈（取代MS51412B）

2000-02-03

WASHER, FLAT - ROUND, STEEL, GENERAL PURPOSE
普通钢制平圆垫圈

2018-09-19

WASHER, FLAT (ROUND, STEEL, CADMIUM PLATED) GENERAL PURPOSE
通用平垫圈（圆形、钢制、镀镉）

2018-09-19

WASHER, FLAT (ROUND, STEEL, CADMIUM PLATED) GENERAL PURPOSE (SUPERSEDING MS27183H)
普通平垫圈（圆形钢镀镉）（替代MS27183H）

1996-03-11

WASHER, FLAT METAL, ROUND, GENERAL PURPOSE (IN./MM) (SUPERSEDING MS15795F) (S/S BY NASM15795-1999)
通用圆形平金属垫圈（IN./MM）（取代MS15795F）（由NASM15795-1999制造）

2000-02-07

WASHER, FLAT METAL, ROUND, GENERAL PURPOSE (IN./MM) (SUPERSEDING MS15795F) (S/S BY NASM15795-1999)
通用圆形扁金属垫圈（英寸/毫米）（取代MS15795F）（由NASM15795-1999标准S/S规定）

1986-07-10