5305-00-273-5301
Socket Head Cap Screw
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Official Item Classification
- Name
- Socket Head Cap Screw
- (NSN) National Stock Number
- 5305-00-273-5301
- (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)
1.125 inches nominal thread length, 1.250 inches nominal fastener length, flat chamfer head style, 3a thread class, right-hand thread direction
Specs & Compatibility
3a
right-hand
1.125 inches nominal
1.250 inches nominal
flat chamfer
0.429 inches minimum and 0.437 inches maximum
0.306 inches minimum and 0.312 inches maximum
hexagon
0.312 inches
0.218 inches minimum and 0.220 inches maximum
18
36.0 rockwell c minimum and 43.0 rockwell c maximum overall
140000 pounds per square inch
steel comp 4135 or steel comp 4137 or steel comp 8635 or steel comp 8640 overall
qq-s-624 fed spec all material responses overall
zinc overall
unc
1 type and 11 style
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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