5305-01-727-8339
Hexagon Head Cap Screw
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Official Item Classification
- Name
- Hexagon Head Cap Screw
- (NSN) National Stock Number
- 5305-01-727-8339
- (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
- 03/20/2025 (1 year ago)
2.875 inches nominal fastener length, 2a thread class, 1.750 inches nominal thread length, right-hand thread direction, hexagon head style
Specs & Compatibility
2a
right-hand
1.750 inches nominal
2.875 inches nominal
hexagon
0.455 inches minimum and 0.483 inches maximum
1.100 inches minimum and 1.125 inches maximum
self-locking locking feature
0.750 inches
10
80000 pounds per square inch
40000 pounds per square inch
hex cap screw
locking feature in accordance with mil-f-8961 or mil-dtl-18240
nickel alloy 400 fastener
qq-n-281,class a as formed or stress relieved fed spec single material response fastener
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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