5305-01-277-0446
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-277-0446
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 18257
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 04/16/1988 (38 years ago)
hexagon head style, right-hand thread direction, 3.812 inches minimum and 4.000 inches maximum fastener length, 2a thread class, 2.500 inches minimum and 2.857 inches maximum thread length
Specs & Compatibility
2a
right-hand
2.500 inches minimum and 2.857 inches maximum
3.812 inches minimum and 4.000 inches maximum
hexagon
0.658 inches minimum and 0.718 inches maximum
1.631 inches minimum and 1.687 inches maximum
1.125 inches
7
150000 pounds per square inch
steel overall
sae gr 8 j429 assn std single material response overall
zinc and chromate overall
astm b633 ty 2 sc 3 assn std single treatment response overall
unc
Regulatory Compliance
Item does not contain precious metal.
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0018257
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