| Item Name | Washer Spring Tension |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-281-2521 (002812521) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed, Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 43W5740-268 | navair and navsea managed | washer spring tension | 10001 | RFQ |
| 654113PC3 | navair and navsea managed | washer spring tension | 10001 | RFQ |
| M7408221 | northrop grumman systems corporation | washer spring tension | 97942 | RFQ |
| M7408221 | westinghouse electric corp | washer spring tension | 79500 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.1865 INCHES MINIMUM AND 0.1905 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.375 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.0653 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.005 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Components Related to NSN - 5310-00-281-2521, 5310002812521 | ||||
| 5340-01-301-6428 (5340013016428) | 5315-01-359-8766 (5315013598766) | 5330-01-647-7723 (5330016477723) | 5330-00-883-3709 (5330008833709) | |
| 5330-01-632-1994 (5330016321994) | 5330-01-209-0521 (5330012090521) | 5306-00-687-6359 (5306006876359) | 5331-01-699-1752 (5331016991752) | |
| 5340-00-337-5707 (5340003375707) | 5340-00-427-0270 (5340004270270) | 5342-00-467-6645 (5342004676645) | 5340-01-227-0536 (5340012270536) | |
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