5305-00-931-8568
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-931-8568
- (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
- 09/28/1966 (60 years ago)
0.490 inches minimum and 0.510 inches maximum fastener length, 3a thread class, hexagon head style, right-hand thread direction, 0.490 inches minimum and 0.510 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.490 inches minimum and 0.510 inches maximum
0.490 inches minimum and 0.510 inches maximum
hexagon
0.110 inches minimum and 0.130 inches maximum
0.367 inches minimum and 0.376 inches maximum
slot
0.190 inches
32
30.0 rockwell c minimum and 38.0 rockwell c maximum
cyau
steel comp 601
ams 6304 assn std single material response
nickel and cadmium
unf
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions 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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| Part Number | Description |
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| 545962 | Machine Screw |