| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-421-6667 (004216667) |
| NCB Code | USA (00) |
| Manufacturer | Associated Aircraft Manufacturing, Boeing Company The, Derco Aerospace Inc, Kitco Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 32-21137-51 | associated aircraft manufacturing | washer flat | 56540 | RFQ |
| 32-21137-51 | boeing company the | washer flat | 76301 | RFQ |
| 32-21137-51 | derco aerospace inc | washer flat | 8x044 | RFQ |
| 32-21137-51 | kitco inc | washer flat | 34087 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.050 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | RECTANGULAR |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.050 INCHES NOMINAL |
| ABRY | LENGTH | 3.000 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 3.000 INCHES NOMINAL |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MATT | MATERIAL | STEEL COMP 321 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| Components Related to NSN - 5310-00-421-6667, 5310004216667 | ||||
| 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) | |
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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