| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-174-8240 (011748240) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Inspektorat Wsparcia Sil Zbrojnych, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 277-518-0002 | northrop grumman systems corporation | washer key | 95542 | RFQ |
| 5310PL0787725 | inspektorat wsparcia sil zbrojnych | washer key | 9009h | RFQ |
| 5310PL1757041 | inspektorat wsparcia sil zbrojnych | washer key | 9009h | RFQ |
| CA21062-4R | alcoa global fasteners inc | washer key | 29372 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.311 INCHES MINIMUM AND 0.317 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.387 INCHES MINIMUM AND 0.393 INCHES MAXIMUM |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.044 INCHES MINIMUM AND 0.048 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.080 INCHES MINIMUM AND 0.082 INCHES MAXIMUM |
| ABMR | INTERNAL KEY QUANTITY | 2 |
| ABPX | MATERIAL THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | SPLIT FROM THE OUTSIDE CIRCUMFERENCE TO THE WASHER HOLE |
| MATT | MATERIAL | STEEL COMP 631 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-25043,COND TH1050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-174-8240, 5310011748240 | ||||
| 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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