| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-737-2137 (007372137) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc, General Electric Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAV | OVERALL DIAMETER | 1.699 INCHES MINIMUM AND 1.700 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | OXIDE FILM OVERALL |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 1.235 INCHES MINIMUM AND 1.255 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.040 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 5310-00-737-2137, 5310007372137 | ||||
| 5310-01-086-7875 (5310010867875) | 5306-01-626-1829 (5306016261829) | 5365-01-633-9077 (5365016339077) | 5355-00-870-0653 (5355008700653) | |
| 5330-00-143-3535 (5330001433535) | 5330-00-631-8220 (5330006318220) | 5305-01-696-3523 (5305016963523) | 5305-01-275-0515 (5305012750515) | |
| 5331-01-398-8586 (5331013988586) | 5325-01-608-8422 (5325016088422) | 5306-01-646-1547 (5306016461547) | 5360-01-651-5511 (5360016515511) | |
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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