5305-01-231-3256
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-231-3256
- (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
- 04/25/1986 (40 years ago)
0.245 inches minimum and 0.312 inches maximum thread length, right-hand thread direction, binding head style, 0.281 inches minimum and 0.312 inches maximum fastener length, 2a thread class
Specs & Compatibility
2a
right-hand
0.245 inches minimum and 0.312 inches maximum
0.281 inches minimum and 0.312 inches maximum
binding
0.171 inches minimum and 0.181 inches maximum
0.041 inches minimum and 0.046 inches maximum
cross recess type 1
0.086 inches
56
125000 pounds per square inch
mil-f-495 mil spec 1st treatment response or mil-f-13924 mil spec 2nd treatment response
black
unc
Regulatory Compliance
Item does not contain precious metal.
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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