AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-448-4833 (004484833) |
| NCB Code | USA (00) |
| Manufacturer | Grimes Aerospace Company, Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.502 INCHES MINIMUM AND 0.504 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| ABKW | OVERALL HEIGHT | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| ABMH | RECESS DEPTH | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.031 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES ALL SURFACES |
| MATT | MATERIAL | STEEL COMP 303SE OVERALL OR STEEL COMP 416 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| Relevant Components for NSN - 5310-00-448-4833, 5310004484833 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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