5305-00-271-6121
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-271-6121
- (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)
2a thread class, right-hand thread direction, 0.217 inches minimum and 0.237 inches maximum thread length, 0.334 inches minimum and 0.354 inches maximum fastener length, flat countersunk head style
Specs & Compatibility
2a
right-hand
0.217 inches minimum and 0.237 inches maximum
0.334 inches minimum and 0.354 inches maximum
flat countersunk
0.198 inches minimum and 0.203 inches maximum
cross recess type 1
0.125 inches
48
71.0 degrees minimum and 73.0 degrees maximum
steel
mil-s-16124,cl 1 comp a mil spec single material response
uns
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