181065 Hexagon Head Cap Screw
5305-00-639-8116
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- Part Number
- 181065
- (NSN) National Stock Number
- 5305-00-639-8116
- (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)
right-hand thread direction, 2a thread class, 1.000 inches nominal fastener length, hexagon head style, 0.750 inches minimum thread length
Specs & Compatibility
2a
right-hand
0.750 inches minimum
1.000 inches nominal
hexagon
0.150 inches minimum and 0.163 inches maximum
0.428 inches minimum and 0.438 inches maximum
0.250 inches
20
120000 pounds per square inch
23.0 rockwell c minimum and 30.0 rockwell c maximum overall
steel overall
cadmium and chromate or zinc and chromate overall
unc
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.
0018257