5305-01-212-4541
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-212-4541
- (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
- 07/12/1985 (41 years ago)
2a thread class, hexagon head style, 3.406 inches minimum and 3.500 inches maximum fastener length, 1.250 inches minimum and 1.438 inches maximum thread length, right-hand thread direction
Specs & Compatibility
2a
right-hand
1.250 inches minimum and 1.438 inches maximum
3.406 inches minimum and 3.500 inches maximum
hexagon
0.302 inches minimum and 0.323 inches maximum
0.736 inches minimum and 0.750 inches maximum
0.500 inches
13
150000 pounds per square inch
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
sae grade 8 assn std all material responses overall
zinc and chromate overall
astm b633 ty 2 sc 3 assn std single treatment response overall
unc
2 type and 10p style and 8 grade
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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