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) | 00-857-5976 (008575976) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Harvard Industries Inc, Sps Technologies Inc, National Aerospace Standards Com, Lamsco West Inc, Inspektorat Wsparcia Sil Zbrojnych, Arconic Global Fasteners And Rings, Satair Usa Inc, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| RM1801-070U | fitz aerospace llc | nut self locking hexagon | RFQ |
| RM1801-070U | harvard industries inc | nut self locking hexagon | RFQ |
| 28FH-720UN | sps technologies inc | nut self locking hexagon | RFQ |
| MS21045L7 | national aerospace standards com | nut self locking hexagon | RFQ |
| YE3203 | lamsco west inc | nut self locking hexagon | RFQ |
| SL2374-7 | sps technologies inc | nut self locking hexagon | RFQ |
| 5310PL1553495 | inspektorat wsparcia sil zbrojnych | nut self locking hexagon | RFQ |
| RMLH1801-070U | fitz aerospace llc | nut self locking hexagon | RFQ |
| H55-7 | arconic global fasteners and rings | nut self locking hexagon | RFQ |
| RMLH1801-070U | harvard industries inc | nut self locking hexagon | RFQ |
| H55-7 | satair usa inc | nut self locking hexagon | RFQ |
| NAS1022AM7 | national aerospace standards com | nut self locking hexagon | RFQ |
| MS21045L7 | military standards corp | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | HEXAGON |
| BZRR | THREAD SERIES | UNJF |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CRSQ | COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| MATT | MATERIAL | STEEL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ADEA | NUT HEIGHT | 0.435 NOMINAL MILS AND 0.469 NOMINAL CENTIMETERS |
| ASDB | WIDTH ACROSS FLATS | 0.679 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| Relevant Components for NSN - 5310-00-857-5976, 5310008575976 | ||||
| 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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