5305-01-721-5397
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-721-5397
- (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
- 06/17/2024 (2 years ago)
1.00 inches minimum thread length, hexagon head style, 2.50 inches nominal fastener length, 2a thread class, right-hand thread direction
Specs & Compatibility
2a
right-hand
1.00 inches minimum
2.50 inches nominal
hexagon
0.226 inches minimum and 0.268 inches maximum
0.544 inches minimum and 0.562 inches maximum
0.375 inches
16
105000 pounds per square inch
65000 pounds per square inch
hex cap screw
steel comp 304 or steel comp 305 or steel comp 384 overall
astm f837 group 1 american society for testing and materials (astm) single material response overall
unc
81349-mil-dtl--1222j government specification
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.
0018257
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