5305-00-271-2732
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-271-2732
- (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
- 01/01/1963 (63 years ago)
3a thread class, flat countersunk head style, right-hand thread direction, 1.250 inches nominal fastener length, 1.020 inches minimum thread length
Specs & Compatibility
3a
right-hand
1.020 inches minimum
1.250 inches nominal
flat countersunk
0.722 inches minimum and 0.762 inches maximum
slot
0.375 inches
24
80.0 degrees minimum and 82.0 degrees maximum
steel comp 1115 or steel comp 1117 or steel comp 1120
mil-s-18411,cl 1 mil spec all material responses
phosphate
unf
1 type and 2s style
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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