| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-505-3022 (015053022) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, National Aerospace Standards Com |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | SPEC CALLS THIS: WASHER, COUNTERSUNK, FOR USE WITH BOLTS AND NUTS UP TO AND INCLUDING 260 KSI FLU |
| STYL | Style Designator | RECESSED |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| CSYM | Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| AAUB | Hole Diameter | 0.564 INCHES MINIMUM AND 0.568 INCHES MAXIMUM |
| ABPX | Material Thickness | 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM |
| CQFM | Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| ABKV | Outside Diameter | 1.059 INCHES MINIMUM AND 1.069 INCHES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-416, TYPE II, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| MDCL | Material Document And Classification | MIL-S-6758 AND JDAMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| ABMD | Recess Diameter | 0.684 INCHES MINIMUM AND 0.694 INCHES MAXIMUM |
| MATT | Material | STEEL COMP 4130 OVERALL |
| CSTM | Recess Angle | 90.0 DEGREES NOMINAL |
| Relevant Components for NSN - 5310-01-505-3022, 5310015053022 | ||||
| 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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