5305-00-957-6563
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-957-6563
- (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
- 01/01/1962 (64 years ago)
flat countersunk undercut head style, 3a thread class, right-hand thread direction, 1.625 inches minimum and 1.672 inches maximum fastener length, 0.615 inches minimum and 0.682 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.615 inches minimum and 0.682 inches maximum
1.625 inches minimum and 1.672 inches maximum
flat countersunk undercut
0.755 inches minimum and 0.760 inches maximum
0.115 inches minimum and 0.117 inches maximum
high-torque
0.375 inches
24
180000 pounds per square inch
100.0 degrees nominal
steel comp 4140 or steel comp 4130
mil-s-5626 mil spec 1st material response or mil-6758 mil spec 2nd material response
cadmium and chromate
qq-p-416,ty 2,aawukn fed spec single treatment response
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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