| 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) | 00-073-8319 (000738319) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Westinghouse Electric Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 577R391H01 | northrop grumman systems corporation | washer spring tension | 97942 | RFQ |
| 577R391H01 | westinghouse electric corp | washer spring tension | 79500 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.718 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.132 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.014 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 631 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5529 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Relevant Components for NSN - 5310-00-073-8319, 5310000738319 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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