| Item Name | Washer Concave |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-337-6052 (013376052) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Monadnock Company The, The Boeing Company, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 70191-104U | sps technologies inc | washer concave | 56878 | RFQ |
| 942010-4 | monadnock company the | washer concave | 60119 | RFQ |
| BACW104CCU | the boeing company | washer concave | 81205 | RFQ |
| BACW10CA104CCU | the boeing company | washer concave | 81205 | RFQ |
| K29913-104NF | alcoa global fasteners inc | washer concave | 15653 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAUB | HOLE DIAMETER | 0.358 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| ABGG | RADIUS | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| STYL | STYLE DESIGNATOR | CONCAVE |
| ABKV | OUTSIDE DIAMETER | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 52.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Components Related to NSN - 5310-01-337-6052, 5310013376052 | ||||
| 5315-01-076-2969 (5315010762969) | 5325-00-543-3429 (5325005433429) | 5340-00-196-3675 (5340001963675) | 5360-01-424-6607 (5360014246607) | |
| 5310-00-084-4232 (5310000844232) | 5365-01-532-4588 (5365015324588) | 5340-01-654-3113 (5340016543113) | 5305-01-143-8635 (5305011438635) | |
| 5340-01-332-8256 (5340013328256) | 5360-00-558-5147 (5360005585147) | 5306-01-234-3071 (5306012343071) | 5305-01-175-6588 (5305011756588) | |
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