AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Plain Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-031-0257 (000310257) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 1.245 INCHES MINIMUM AND 1.317 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 6 |
| CQJX | NOMINAL THREAD SIZE | 1.500 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| SPCL | SPECIAL TEST FEATURES | SPECIAL QUALITY CONTROL TESTING |
| TEST | TEST DATA DOCUMENT | 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTI |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 4 STYLE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS |
| Relevant Components for NSN - 5310-00-031-0257, 5310000310257 | ||||
| 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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