AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-434-5879 (014345879) |
| NCB Code | USA (01) |
| Manufacturer | Anillo Industries Inc, Sps Technologies Inc, The Boeing Company, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| BACW10AU4 | anillo industries inc | washer concave | RFQ |
| BACW10AU4 | sps technologies inc | washer concave | RFQ |
| BACW10AU4 | the boeing company | washer concave | RFQ |
| K19701P4 | alcoa global fasteners inc | washer concave | RFQ |
| 53488W-428 | sps technologies inc | washer concave | RFQ |
| BACW10AU4 | alcoa global fasteners inc | washer concave | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.348 INCHES MINIMUM AND 0.354 INCHES MAXIMUM |
| ABGG | RADIUS | 0.300 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.051 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.113 INCHES MINIMUM AND 0.123 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES COUNTERBORE WALL |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL OR STEEL COMP 8630 OVERALL OR STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACW10AU MANUFACTURERS STANDARD |
| Relevant Components for NSN - 5310-01-434-5879, 5310014345879 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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