AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-490-4421 (004904421) |
| NCB Code | USA (00) |
| Manufacturer | Pratt And Whitney Canada Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.148 INCHES MINIMUM AND 2.158 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 2.524 INCHES MINIMUM AND 2.554 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.418 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.038 INCHES MINIMUM AND 0.043 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | TWO PREBENT INTERNALTABS |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-490-4421, 5310004904421 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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