| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-134-8752 (011348752) |
| NCB Code | USA (01) |
| Manufacturer | Nimikkeistokeskus Ncb Finland, Zf Industrieantriebe Witten Gmbh, National Aerospace Standards Com, Military Standards Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 10109710 | nimikkeistokeskus ncb finland | washer recessed | a486g | RFQ |
| MS21299-C7 | zf industrieantriebe witten gmbh | washer recessed | d9182 | RFQ |
| MS21299C7 | national aerospace standards com | washer recessed | 80205 | RFQ |
| MS21299C7 | military standards corp | washer recessed | 96906 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.439 INCHES MINIMUM AND 0.443 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.821 INCHES MINIMUM AND 0.831 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.539 INCHES MINIMUM AND 0.569 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 |
| CSTM | RECESS ANGLE | 90.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL AND MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-01-134-8752, 5310011348752 | ||||
| 5340-01-621-1479 (5340016211479) | 5365-00-381-4908 (5365003814908) | 5355-01-573-0404 (5355015730404) | 5330-01-580-7284 (5330015807284) | |
| 5305-01-282-1451 (5305012821451) | 5330-01-361-5513 (5330013615513) | 5340-00-611-7621 (5340006117621) | 5320-01-615-4000 (5320016154000) | |
| 5310-01-334-3643 (5310013343643) | 5330-01-327-5730 (5330013275730) | 5325-00-763-5757 (5325007635757) | 5340-01-576-0345 (5340015760345) | |
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