5305-00-971-7544
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-971-7544
- (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
- 10/03/1966 (60 years ago)
flat countersunk head style, 3a thread class, 1.668 inches nominal fastener length, right-hand thread direction, 0.293 inches nominal thread length
Specs & Compatibility
3a
right-hand
0.293 inches nominal
1.668 inches nominal
flat countersunk
0.502 inches nominal
torque set
0.250 inches
28
220000 pounds per square inch
46.0 rockwell c minimum and 50.0 rockwell c maximum
100.0 degrees nominal
steel comp h11
cadmium
thread size,mil-s-8879
unjf
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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