5305-01-053-2879
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-053-2879
- (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
- 01/01/1978 (48 years ago)
2a thread class, hexagon head style, right-hand thread direction, 1.000 inches minimum and 1.250 inches maximum thread length, 1.480 inches minimum and 1.520 inches maximum fastener length
Specs & Compatibility
2a
right-hand
1.000 inches minimum and 1.250 inches maximum
1.480 inches minimum and 1.520 inches maximum
hexagon
0.320 inches minimum and 0.360 inches maximum
0.552 inches minimum and 0.562 inches maximum
0.106 inches nominal
0.375 inches
3
drilled
16
20.0 rockwell c minimum and 25.0 rockwell c maximum overall
hexagon longitudinal hole
steel or steel comp 1040 or steel comp 1045 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
Related Hardware Products
| Part Number | Description |
|---|---|
| 12259395 | Hexagon Head Cap Screw |