| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-190-0278 (011900278) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| LD153-0005-3004 | boeing company the | washer key | 43999 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.391 INCHES MINIMUM AND 0.401 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 0.876 INCHES NOMINAL |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ABMQ | EXTERNAL KEY QUANTITY | 4 |
| ABPX | MATERIAL THICKNESS | 0.032 INCHES NOMINAL |
| MATT | MATERIAL | NICKEL ALLOY 600 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-N-6840,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Components Related to NSN - 5310-01-190-0278, 5310011900278 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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