5305-00-638-1211
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-00-638-1211
- (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
- 01/01/1963 (63 years ago)
1.000 inches minimum and 1.188 inches maximum thread length, right-hand thread direction, 3a thread class, 2.844 inches minimum and 2.938 inches maximum fastener length, hexagon head style
Specs & Compatibility
3a
right-hand
1.000 inches minimum and 1.188 inches maximum
2.844 inches minimum and 2.938 inches maximum
hexagon
0.219 inches nominal
0.551 inches minimum and 0.562 inches maximum
0.375 inches
24
steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
66 fed std all material responses overall
passivate overall
unf
2 type and 10p style
as modified by head height and fastener length
Regulatory Compliance
Precious metal content is unknown
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.
S9I
0018257
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