5305-01-447-3326
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-447-3326
- (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
- 08/02/1997 (29 years ago)
3a thread class, hexagon head style, 2.750 inches nominal fastener length, 1.375 inches nominal thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
1.375 inches nominal
2.750 inches nominal
hexagon
0.348 inches minimum and 0.371 inches maximum
0.798 inches minimum and 0.812 inches maximum
patch or pellet or strip threads
0.562 inches
12
130000 pounds per square inch
24.0 rockwell c minimum overall
90000 pounds per square inch
nickel alloy k-500 fastener
plastic polyamide (nylon) locking feature
qq-n-286 fed spec single material response fastener
unc
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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