5310-00-187-9727
Recessed Washer
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Official Item Classification
- Name
- Recessed Washer
- (NSN) National Stock Number
- 5310-00-187-9727
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 15933
- (FIIG) Federal Item Identification Guide
- A022B0
- Date
- 03/11/1973 (53 years ago)
0.236 inches minimum and 0.260 inches maximum top recess diameter, 0.192 inches minimum and 0.200 inches maximum hole diameter, 29.0 rockwell c minimum and 39.0 rockwell c maximum hardness rating, 0.075 inches minimum and 0.085 inches maximum material thickness, 0.428 inches minimum and 0.448 inches maximum outside diameter
Specs & Compatibility
0.192 inches minimum and 0.200 inches maximum
0.428 inches minimum and 0.448 inches maximum
0.075 inches minimum and 0.085 inches maximum
29.0 rockwell c minimum and 39.0 rockwell c maximum
0.236 inches minimum and 0.260 inches maximum
86.0 degrees minimum and 94.0 degrees maximum
86.0 degrees minimum and 94.0 degrees maximum
0.236 inches minimum and 0.260 inches maximum
63.0 microinches bottom
63.0 microinches top
cobalt comp l-605 or steel comp 302 overall
ams 5516 assn std single material response or ams 5537 assn std single material response overall
recessed both sides
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.
0015933
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