| 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) | 01-127-0893 (011270893) |
| NCB Code | USA (01) |
| Manufacturer | Hamilton Sundstrand Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 3.629 INCHES MINIMUM AND 3.630 INCHES MAXIMUM |
| AAVH | SHOULDER DIAMETER | 3.863 INCHES MINIMUM AND 3.864 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 4.057 INCHES MINIMUM AND 4.072 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 3.678 INCHES MINIMUM AND 3.698 INCHES MAXIMUM |
| ABMG | SHOULDER HEIGHT | 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.063 INCHES NOMINAL |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 316L OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5647 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PN3.06 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL OR PS13102 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | SHOULDERED AND RECESSED BOTH SIDES |
| Relevant Components for NSN - 5310-01-127-0893, 5310011270893 | ||||
| 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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