| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-143-6144 (001436144) |
| NCB Code | USA (00) |
| Manufacturer | Meggitt International Ltd, Howden Fluid Systems |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.465 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.830 INCHES MINIMUM AND 0.831 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.070 INCHES MINIMUM AND 0.076 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 81.2 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| FEAT | SPECIAL FEATURES | OUTSIDE PERIPHERY OF COUNTERBORE CHAMFERED TO DEPTH OF 0.020 IN. MIN,0.030 IN. MAX AT 8 TO 12 DEG |
| MATT | MATERIAL | STEEL COMP E52100 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OR ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Components Related to NSN - 5310-00-143-6144, 5310001436144 | ||||
| 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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