5305-01-312-4958
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-312-4958
- (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
- 12/17/1989 (36 years ago)
hexagon head style, 1.250 inches minimum and 1.442 inches maximum thread length, 2a thread class, 2.406 inches minimum and 2.500 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
2a
right-hand
1.250 inches minimum and 1.442 inches maximum
2.406 inches minimum and 2.500 inches maximum
hexagon
0.302 inches minimum and 0.323 inches maximum
0.736 inches minimum and 0.750 inches maximum
0.092 inches minimum and 0.100 inches maximum
0.500 inches
1
drilled
13
70000 pounds per square inch
235.0 brinell b maximum overall
40000 pounds per square inch
hexagon flats
63.0 microinches threads
steel comp 410 or steel comp 416 or steel comp 430 overall
66 fed std all material responses overall
passivate overall
qq-p-35 fed spec single treatment response overall
unc
2 type and 10p style
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
Related Hardware Products
| Part Number | Description |
|---|---|
| MS51099-118 | Hexagon Head Cap Screw |