AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Castellat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-383-8853 (013838853) |
| NCB Code | USA (01) |
| Manufacturer | Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACTA | NUT STYLE | CASTELLATED,HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| ADEA | NUT HEIGHT | 0.454 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | SAFETY CRITICAL THREAD PER FED STD H28/20 SYSTEM 22 |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3B |
| BZRR | THREAD SERIES | UNJF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5310-01-383-8853, 5310013838853 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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