NCS4-2-18 Self-Locking Stud
5307-00-138-6465
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Official Item Classification
- Name
- Self-Locking Stud
- Part Number
- NCS4-2-18
- (NSN) National Stock Number
- 5307-00-138-6465
- (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
- 08/18/1971 (55 years ago)
right-hand nut thread thread direction, 2a nut thread thread class, 0.197 inches minimum and 0.201 inches maximum head diameter, 0.547 inches minimum and 0.577 inches maximum nut thread thread length, 0.053 inches minimum and 0.063 inches maximum head length
Specs & Compatibility
2a nut thread
right-hand nut thread
0.547 inches minimum and 0.577 inches maximum nut thread
0.197 inches minimum and 0.201 inches maximum
0.053 inches minimum and 0.063 inches maximum
self-clinching head
0.600 inches minimum and 0.640 inches maximum
0.250 inches nominal
40 nut thread
0.112 inches nut thread
navy special project
steel comp 305
qq-s-764 fed spec 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