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) | 00-943-2444 (009432444) |
| NCB Code | USA (00) |
| Manufacturer | Dynamic Metal Products Co Inc, Paradigm Manchester Inc, United Technologies Corporation, Parmac Inc, The United Tool And Die Company, Rogerson Kratos, Nielsen Hardware Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 520858 | dynamic metal products co inc | washer flat | RFQ |
| 520858 | paradigm manchester inc | washer flat | RFQ |
| 520858 | united technologies corporation | washer flat | RFQ |
| 520858 | parmac inc | washer flat | RFQ |
| 520858 | the united tool and die company | washer flat | RFQ |
| 520858 | rogerson kratos | washer flat | RFQ |
| 520858 | nielsen hardware corporation | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.522 INCHES MINIMUM AND 0.524 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.048 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.886 INCHES MINIMUM AND 0.888 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES TOP |
| HEAT | III HEAT TREATMENT | AS FABRICATED |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-943-2444, 5310009432444 | ||||
| 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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