| 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 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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