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) | 00-478-2879 (004782879) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, Aeronautical Standards Group |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.159 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL OR STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL OR MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 GRADE AND B CLASS |
| Relevant Components for NSN - 5310-00-478-2879, 5310004782879 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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