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) | 00-857-5557 (008575557) |
| NCB Code | USA (00) |
| Manufacturer | Harvard Industries Inc, Satair Usa Inc, Sps Technologies Inc, Arconic Global Fasteners And Rings, Fitz Aerospace Llc, Military Standards Corp, Lamsco West Inc, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| RM1801-048 | harvard industries inc | nut self locking hexagon | RFQ |
| H55-4 | satair usa inc | nut self locking hexagon | RFQ |
| SL2374-4 | sps technologies inc | nut self locking hexagon | RFQ |
| SPS28GH428 | sps technologies inc | nut self locking hexagon | RFQ |
| H55-4 | arconic global fasteners and rings | nut self locking hexagon | RFQ |
| RM1801-048 | fitz aerospace llc | nut self locking hexagon | RFQ |
| 28FH-428 | sps technologies inc | nut self locking hexagon | RFQ |
| MS21045L4 | military standards corp | nut self locking hexagon | RFQ |
| YE3200 | lamsco west inc | nut self locking hexagon | RFQ |
| MS21045L4 | national aerospace standards com | nut self locking hexagon | RFQ |
| NAS1022AM4 | national aerospace standards com | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ASDB | WIDTH ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MATT | MATERIAL | STEEL OVERALL |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.240 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS) |
| BZRR | THREAD SERIES | UNJF |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CRSQ | COUNTERSINK ANGLE | 88.0 DEGREES NOMINAL NUT |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-857-5557, 5310008575557 | ||||
| 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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