AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-596-6591 (005966591) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Honeywell International Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.421 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.005 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 47.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL COMP 1095 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7947 ANNEALED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR 47-5-27 TYB,NO.2,COM1 FSCM 56232 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| Relevant Components for NSN - 5310-00-596-6591, 5310005966591 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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