| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-251-0928 (012510928) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Goodrich Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 68A412737-2001 | boeing company the | washer key | 76301 | RFQ |
| 68A412737-2001 | goodrich corporation | washer key | 6k4c8 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 5.635 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 6.510 INCHES NOMINAL |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | 2.300 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.156 INCHES NOMINAL |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | FOUR HOLES,EQUALLY SPACED,LOCATEDON EXTERNAL KEY;SURFACE FINISH 32 MICROINCH; HAS CRITCAL FEATURE SUCH AS HEAT TREATMENT,SURFACE FINISH,OR MATERIAL TYPE AND SPECIAL INSP. REQ.S SUCH AS MAGNETIC PARTICLE INSP. OR FLUORESCENT PENETRANT INSP |
| MATT | MATERIAL | STEEL UNS K44220 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844CL3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-251-0928, 5310012510928 | ||||
| 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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