| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-522-0450 (005220450) |
| NCB Code | USA (00) |
| Manufacturer | Inspektorat Wsparcia Sil Zbrojnych, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 5310PL0921501 | inspektorat wsparcia sil zbrojnych | washer flat | 9009h | RFQ |
| LS1551-250-81 | lockheed martin corporation | washer flat | 98897 | RFQ |
| LS1551-250-813 | lockheed martin corporation | washer flat | 98897 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.250 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.100 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.813 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL COMP 8630 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Relevant Components for NSN - 5310-00-522-0450, 5310005220450 | ||||
| 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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