661W Keyway Washer
5310-00-350-3052
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Official Item Classification
- Name
- Keyway Washer
- Part Number
- 661W
- (NSN) National Stock Number
- 5310-00-350-3052
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 Nuts and Washers
- (INC) Item Name Code
- 06158
- (FIIG) Federal Item Identification Guide
- A022B0
- Date
- 01/01/1963 (63 years ago)
2.438 inches nominal outside diameter, 0.875 inches nominal distance from centerline to bottom of internal keyway, 6 internal keyway quantity, 0.445 inches minimum and 0.450 inches maximum internal keyway width, 1.504 inches minimum and 1.509 inches maximum hole diameter
Specs & Compatibility
1.504 inches minimum and 1.509 inches maximum
2.438 inches nominal
0.445 inches minimum and 0.450 inches maximum
0.875 inches nominal
6
0.147 inches minimum and 0.149 inches maximum
40.0 rockwell c minimum and 45.0 rockwell c maximum
steel comp 1050 overall
qq-s-634 fed spec single material response overall
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.
S9I
0006158