NCS4-4-8 Self-Locking Stud
5307-00-421-5071
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Official Item Classification
- Name
- Self-Locking Stud
- Part Number
- NCS4-4-8
- (NSN) National Stock Number
- 5307-00-421-5071
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5307 Studs
- (INC) Item Name Code
- 27783
- (FIIG) Federal Item Identification Guide
- A051A0
- Date
- 12/09/1970 (55 years ago)
0.235 inches minimum and 0.265 inches maximum nut thread thread length, 2a nut thread thread class, 0.112 inches minimum and 0.122 inches maximum head length, right-hand nut thread thread direction, 0.197 inches minimum and 0.201 inches maximum head diameter
Specs & Compatibility
2a nut thread
right-hand nut thread
0.235 inches minimum and 0.265 inches maximum nut thread
0.197 inches minimum and 0.201 inches maximum
0.112 inches minimum and 0.122 inches maximum
any acceptable
0.367 inches nominal
0.250 inches nominal
40 nut thread
0.112 inches nut thread
steel comp 303
astm a582 assn std single material response
passivate overall
mil-f-14072,e300 mil spec single treatment response overall
self-locking
unc nut thread
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.
0027783
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