5305-01-021-9141
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-021-9141
- (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
- 05/21/1976 (50 years ago)
3.875 inches nominal fastener length, 2a thread class, 0.937 inches minimum and 1.062 inches maximum thread length, right-hand thread direction, pan no. 2 head style
Specs & Compatibility
2a
right-hand
0.937 inches minimum and 1.062 inches maximum
3.875 inches nominal
pan no. 2
0.322 inches maximum
0.115 inches maximum
cross recess type 1
0.164 inches
32
steel comp 302
qq-s-763 fed spec single material response
passivate
mil-f-14072,finish e300 mil spec single treatment response
shank undercut 0.029 in. wide by 0.116 in. dia 0.127 in. from @head
unc
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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