| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-471-6451 (004716451) |
| NCB Code | USA (00) |
| Manufacturer | Seastrom Manufacturing Co Inc, Sps Technologies Inc, Nato Stock Number Assigned Byanother, British Standards Institution |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.3300 INCHES MINIMUM AND 0.3400 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.0180 INCHES MINIMUM AND 0.0220 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.5671 INCHES MINIMUM AND 0.5871 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 21.2 ROCKWELL C MINIMUM AND 24.7 ROCKWELL C MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1524 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A29,UNS G15260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Components Related to NSN - 5310-00-471-6451, 5310004716451 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
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