5305-01-421-1421
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-421-1421
- (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
- 11/02/1995 (30 years ago)
round head style, 0.250 inches nominal thread diameter, right-hand thread direction, 0.375 inches nominal fastener length, 2a thread class
Specs & Compatibility
2a
right-hand
0.375 inches nominal
round
0.250 inches
20
copper alloy
self-locking
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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