AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Knurled |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-637-0143 (006370143) |
| NCB Code | USA (00) |
| Manufacturer | Textron Lycoming Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAWY | COUNTERBORE DIAMETER | 0.433 INCHES MINIMUM NUT AND 0.441 INCHES MAXIMUM NUT |
| ACTA | NUT STYLE | KNURLED |
| ACTD | NUT DIAMETER | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| ADFK | NUT COUNTERBORE DEPTH | 0.050 INCHES MINIMUM NUT AND 0.070 INCHES MAXIMUM NUT |
| BZRR | THREAD SERIES | UNEF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.562 INCHES |
| MATT | MATERIAL | STEEL COMP 1212 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5010 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-637-0143, 5310006370143 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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