5305-00-020-9959
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-020-9959
- (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)
0.381 inches minimum and 0.431 inches maximum thread length, 3a thread class, 0.891 inches minimum and 0.921 inches maximum fastener length, right-hand thread direction, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.381 inches minimum and 0.431 inches maximum
0.891 inches minimum and 0.921 inches maximum
flat countersunk
0.332 inches nominal
cross recess type ii
0.190 inches
32
130000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
iron alloy 660
ams 5732 assn std single material response
passivate
unf
82918-bacb30bf manufacturers standard
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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