AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Convex |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-047-9477 (010479477) |
| NCB Code | USA (01) |
| Manufacturer | The Boeing Company, Sps Technologies Inc, Monadnock Company The, Alcoa Global Fasteners Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES TOP |
| FEAT | SPECIAL FEATURES | COMP H11 ROCKWELL C SCALE 52.0 MIN AND ROCKWELL C SCALE 56.0 MAX,RECESS CUT 0.624 IN. MIN AND 0.634 IN. MAX |
| HUES | COLOR | BLACK OVERALL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP H11 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 6487 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | NICKEL OVERALL AND CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS2416 ASSN STD 1ST TREATMENT RESPONSE OVERALL AND AMS2416 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | CONVEX |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-BACW10CA MANUFACTURERS STANDARD |
| Relevant Components for NSN - 5310-01-047-9477, 5310010479477 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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