| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-439-2542 (004392542) |
| NCB Code | USA (00) |
| Manufacturer | Kearfott Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| B312201013-1 | kearfott corporation | washer recessed | 88818 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.775 INCHES MINIMUM AND 0.785 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.197 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 59.0 DEGREES MINIMUM AND 61.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BOTTOM |
| FEAT | SPECIAL FEATURES | 32 MICROINCH AA FINISH ON COUNTERSUNK SURFACE |
| MATT | MATERIAL | STEEL COMP 416 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | B190000120,FSCM 14804 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Components Related to NSN - 5310-00-439-2542, 5310004392542 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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