5305-00-080-0191
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-080-0191
- (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
- 12/13/1967 (58 years ago)
0.469 inches minimum thread length, right-hand thread direction, flat countersunk head style, 3a thread class, 0.781 inches nominal fastener length
Specs & Compatibility
3a
right-hand
0.469 inches minimum
0.781 inches nominal
flat countersunk
0.497 inches minimum and 0.507 inches maximum
cross recess type ii
0.250 inches
28
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum
100.0 degrees nominal
steel
primer
primer and 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.
S9I
0006657
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| Part Number | Description |
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| 3MFR334CFA6 | Machine Screw |