5305-01-281-7038
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-281-7038
- (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
- 06/29/1988 (38 years ago)
3a thread class, hexagon head style, 3.190 inches minimum and 3.250 inches maximum fastener length, 1.000 inches minimum thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
1.000 inches minimum
3.190 inches minimum and 3.250 inches maximum
hexagon
0.226 inches minimum and 0.243 inches maximum
0.551 inches minimum and 0.562 inches maximum
0.375 inches
16
steel overall
sae gr 5 assn std single material response overall
zinc and chromate overall
ms20 cagec 10988 mfr ref 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.
S9I
0018257