| 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 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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