5310-00-005-0620
Lock Washer
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Official Item Classification
- Name
- Lock Washer
- (NSN) National Stock Number
- 5310-00-005-0620
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 14218
- (FIIG) Federal Item Identification Guide
- A022B0
- Date
- 06/11/1972 (54 years ago)
Diameter: 0.671", material: steel, Lock Washer NSN 5310000050620.
Specs & Compatibility
0.377 inches minimum and 0.385 inches maximum
0.091 inches minimum and 0.097 inches maximum
0.671 inches maximum
Both bearing surfaces serrated raised rib on both sides on inner and outer periphery
45.0 rockwell c minimum and 53.0 rockwell c maximum
Steel comp 1060 or steel comp 1211
Quenched and tempered
Astm a576 assn std 1st material response or 66 fed std 2nd material response
Cadmium or zinc
Qq-p-416, type 2, class 3 fed spec 1st treatment response or qq-z-325,ty 2,cl 3 fed spec 2nd treatment response
Split helical-right hand
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.
0014218
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