5310-00-620-4838
Lock Washer
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Official Item Classification
- Name
- Lock Washer
- (NSN) National Stock Number
- 5310-00-620-4838
- (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
- 02/22/1975 (51 years ago)
0.245 inches minimum and 0.255 inches maximum outside diameter, 0.017 inches minimum and 0.019 inches maximum material thickness, 0.142 inches minimum and 0.150 inches maximum hole diameter, aircraft, tomcat f-14;aircraft, b-1b;aircraft, galaxy c-5;f4s aircraft;aircraft, hornet f/a-18;aircraft, f-16;aircraft, prowler ea-6b end item identification, 36.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating
Specs & Compatibility
0.142 inches minimum and 0.150 inches maximum
0.245 inches minimum and 0.255 inches maximum
0.017 inches minimum and 0.019 inches maximum
aircraft, tomcat f-14;aircraft, b-1b;aircraft, galaxy c-5;f4s aircraft;aircraft, hornet f/a-18;aircraft, f-16;aircraft, prowler ea-6b
36.0 rockwell c minimum and 43.0 rockwell c maximum
steel comp 410 overall
qq-s-766 cond a fed spec single material response overall
passivate overall
qq-p-35 fed spec single treatment response overall
flat internal teeth
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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