5305-01-457-6251
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-457-6251
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 07/29/1998 (28 years ago)
right-hand thread direction, pan head style, 2a thread class, 0.450 inches minimum thread length, 0.498 inches minimum and 0.500 inches maximum fastener length
Specs & Compatibility
2a
right-hand
0.450 inches minimum
0.498 inches minimum and 0.500 inches maximum
pan
0.205 inches minimum and 0.219 inches maximum
0.070 inches minimum and 0.080 inches maximum
cross recess type 1
0.112 inches
40
nickel alloy 400
qq-n-281,cl-a fed spec single material response
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.
0006657
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