| Item Name | Washer Shouldered And Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-131-2957 (011312957) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Steelville Manufacturing Co, Boeing Company The, Triumph Structures Wichita Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 10109599 | nimikkeistokeskus ncb finland | washer shouldered and recessed | a486g | RFQ |
| 74A110681-2001 | steelville manufacturing co | washer shouldered and recessed | 25989 | RFQ |
| 74A110681-2001 | boeing company the | washer shouldered and recessed | 76301 | RFQ |
| 74A110681-2001 | triumph structures wichita inc | washer shouldered and recessed | 1u854 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.312 INCHES MINIMUM AND 0.319 INCHES MAXIMUM |
| AAVH | SHOULDER DIAMETER | 1.750 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 2.900 INCHES NOMINAL |
| ABMD | RECESS DIAMETER | 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM |
| ABMG | SHOULDER HEIGHT | 0.140 INCHES NOMINAL |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | BEARING SURFACE CONVEX 3.000 IN. RADIUS |
| MATT | MATERIAL | ALUMINUM ALLOY 7075 OVERALL |
| Relevant Components for NSN - 5310-01-131-2957, 5310011312957 | ||||
| 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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