5305-01-389-7204
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-389-7204
- (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
- 04/30/1994 (32 years ago)
3a thread class, 0.625 inches maximum thread length, flat chamfer head style, 0.595 inches minimum and 0.625 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.625 inches maximum
0.595 inches minimum and 0.625 inches maximum
flat chamfer
0.176 inches minimum and 0.183 inches maximum
0.108 inches minimum and 0.112 inches maximum
0.0937 inches minimum and 0.0952 inches maximum
0.112 inches
48
160000 pounds per square inch
33.0 rockwell c minimum and 42.0 rockwell c maximum
iron alloy 660
ams 5731 assn std single material response or ams 5737 assn std single material response
passivate
qq-p-35 fed spec single treatment response
unrf
80205-nas1351 professional/industrial association standard
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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