Bolt, Square Neck, Round Head (Carriage). Steel, Cadmium or Zinc Plated, Unc-2A
螺栓 方颈 圆头（托架） Unc-2A镀镉或镀锌钢

2011-04-29

BOLT, SQUARE NECK, ROUND HEAD (CARRIAGE), STEEL, CADMIUM OR ZINC PLATED, UNC-2A (SUPERSEDING MS35751D) (S/S BY NASM35751-1999)
UNC-2A镀镉或镀锌钢圆头方颈螺栓（托架）（取代MS35751D）（由NASM357551-1999提供）

1999-06-22

BOLT, MACHINE, SQUARE HEAD, STEEL, CADMIUM OR ZINC PLATED, UNC-2A
UNC-2A镀镉或镀锌钢方头机器螺栓

2018-09-17

BOLT, MACHINE, SQUARE HEAD, STEEL, CADMIUM OR ZINC PLATED, UNC-2A
UNC-2A镀镉或镀锌钢制方头机械螺栓

1971-10-06

BOLT, SQUARE NECK, COUNTERSUNK, (PLOW) STEEL, CADMIUM OR ZINC PLATED, NC-2A AND UNC-2A
NC-2A和UNC-2A镀镉或镀锌（犁）钢沉头方颈螺栓

2018-09-17

BOLT, SQUARE NECK, COUNTERSUNK, (PLOW) STEEL, CADMIUM OR ZINC PLATED, NC-2A AND UNC-2A (SUPERSEDING MS35754A)
NC-2A和UNC-2A（取代MS35754A）镀镉或镀锌方颈沉头（犁形）钢螺栓

1974-05-20