5305-00-579-1237
Socket Head Cap Screw
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Official Item Classification
- Name
- Socket Head Cap Screw
- (NSN) National Stock Number
- 5305-00-579-1237
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 16282
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 01/01/1963 (63 years ago)
3a thread class, flat chamfer head style, 0.375 inches nominal thread length, right-hand thread direction, 0.375 inches nominal fastener length
Specs & Compatibility
3a
right-hand
0.375 inches nominal
0.375 inches nominal
flat chamfer
0.306 inches minimum and 0.312 inches maximum
0.185 inches minimum and 0.190 inches maximum
hexagon
0.190 inches
0.156 inches minimum and 0.158 inches maximum
24
36.0 rockwell c minimum and 43.0 rockwell c maximum overall
140000 pounds per square inch
steel overall
cadmium or zinc 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.
S9I
0016282
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