AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-584-7978 (005847978) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Military Standards Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.122 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 50000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | COPPER ALLOY 651 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | B CLASS AND 1 TYPE |
| Relevant Components for NSN - 5310-00-584-7978, 5310005847978 | ||||
| 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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