5305-01-287-5783
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-287-5783
- (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
- 10/24/1988 (37 years ago)
right-hand thread direction, 1.190 inches minimum and 1.250 inches maximum fastener length, 2a thread class, 1.125 inches nominal thread length, hexagon head style
Specs & Compatibility
2a
right-hand
1.125 inches nominal
1.190 inches minimum and 1.250 inches maximum
hexagon
0.272 inches minimum and 0.291 inches maximum
0.612 inches minimum and 0.625 inches maximum
0.438 inches
20
120000 pounds per square inch
23.0 rockwell c minimum and 34.0 rockwell c maximum overall
steel overall
sae j429 gr5 assn std single material response overall
zinc and chromate overall
astm b633 ty2,fe/zn 13 assn std single treatment response overall
unf
1 type and 5 grade
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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