| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-063-6345 (000636345) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Lockheed Martin Corporation, Mbda Incorporated, Lord Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| SP4300-229 | northrop grumman systems corporation | washer flat | 26512 | RFQ |
| 12C374-7 | lockheed martin corporation | washer flat | 81755 | RFQ |
| B94004 | mbda incorporated | washer flat | k0967 | RFQ |
| 56AA3 | northrop grumman systems corporation | washer flat | 26512 | RFQ |
| J2049-3D | lord corporation | washer flat | 76005 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.390 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.063 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 1.1875 INCHES NOMINAL |
| HEAT | HEAT TREATMENT | F-AS FABRICATED |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/3 ALCLAD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| Relevant Components for NSN - 5310-00-063-6345, 5310000636345 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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