5305-00-126-7643
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-126-7643
- (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
- 01/04/1973 (53 years ago)
flat countersunk head style, 3a thread class, 1.691 inches minimum and 1.721 inches maximum fastener length, right-hand thread direction, 0.306 inches minimum and 0.356 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.306 inches minimum and 0.356 inches maximum
1.691 inches minimum and 1.721 inches maximum
flat countersunk
0.277 inches minimum and 0.332 inches maximum
high-torque
0.164 inches
32
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
titanium alloy
63.0 microinches
unc
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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