5305-00-980-5259
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-980-5259
- (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
- 10/14/1966 (60 years ago)
0.776 inches nominal fastener length, 3a thread class, flat countersunk head style, 0.276 inches minimum thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.276 inches minimum
0.776 inches nominal
flat countersunk
0.297 inches minimum and 0.302 inches maximum
high-torque
0.190 inches
32
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum
100.0 degrees nominal
steel
cadmium and chromate
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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