AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-241-6641 (002416641) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Harvard Industries Inc, Fitz Aerospace Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CRSQ | COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| MATT | MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT |
| MATT | MATERIAL | STEEL COMP 301 NUT OR STEEL COMP 302 NUT OR STEEL COMP 302B NUT OR STEEL COMP 303 NUT OR STEEL COMP 303SE NUT OR STEEL COMP 304 NUT OR STEEL COMP 304L NUT OR STEEL COMP 305 NUT OR STEEL COMP W214 NUT OR STEEL COMP 309 NUT OR STEEL COMP 309S |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693,COMP A,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING INSERT |
| SFTT | SURFACE TREATMENT | PASSIVATE NUT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Relevant Components for NSN - 5310-00-241-6641, 5310002416641 | ||||
| 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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