5305-00-513-9989
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-513-9989
- (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
- 01/01/1963 (63 years ago)
button head style, 0.312 inches nominal fastener length, 0.312 inches maximum thread length, right-hand thread direction, 2a thread class
Specs & Compatibility
2a
right-hand
0.312 inches maximum
0.312 inches nominal
button
0.562 inches nominal
0.141 inches nominal
cross recess type 1
0.190 inches
32
steel comp 1018 or steel comp 1022
astm a108 assn std 1st material response or astm a576 assn std 1st material response or astm a108 assn std 2nd material response or astm a576 assn std 2nd material response
phosphate
unf
Regulatory Compliance
Precious metal content is unknown
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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