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) | 01-651-3489 (016513489) |
| NCB Code | USA (01) |
| Manufacturer | American Society For Testing, Hobson Engineering Co Pty Ltd, Brighton Best International Inc, Haulmark Trailers Australia |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ASTM F436M-TY1 M20 | american society for testing | washer flat | RFQ |
| WR43ZM20 | hobson engineering co pty ltd | washer flat | RFQ |
| 371200 373027 | brighton best international inc | washer flat | RFQ |
| HWZSM9204240-01 | haulmark trailers australia | washer flat | RFQ |
| ASTM F436M | american society for testing | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 22.0 MILLIMETERS MINIMUM AND 22.5 MILLIMETERS MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 3.1 MILLIMETERS MINIMUM AND 4.6 MILLIMETERS MAXIMUM |
| ADAV | OVERALL DIAMETER | 40.4 MILLIMETERS MINIMUM AND 42.0 MILLIMETERS MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| Relevant Components for NSN - 5310-01-651-3489, 5310016513489 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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