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) | 01-400-3254 (014003254) |
| NCB Code | USA (01) |
| Manufacturer | Fitz Aerospace Llc, Industrial Nut Corp, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| X53NTU-202 | fitz aerospace llc | nut self locking hexagon | RFQ |
| 12412092-1 | industrial nut corp | nut self locking hexagon | RFQ |
| X53NTU-202 | harvard industries inc | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | Thread Direction | RIGHT-HAND |
| MATT | Material | STEEL OVERALL |
| AAJD | Thread Class | 3B |
| MRC | Decoded Requirement | Clear Text Reply |
| SFTT | Surface Treatment | PHOSPHATE MANGANESE OVERALL OR PHOSPHATE ZINC OVERALL |
| CQJX | Nominal Thread Size | 1.250 INCHES |
| ACTA | Nut Style | HEXAGON |
| BZRR | Thread Series | UNF |
| CRTM | Bearing Surface Type | WASHER FACED |
| ADEA | Nut Height | 1.078 INCHES MINIMUM AND 1.140 INCHES MAXIMUM |
| AAUM | Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| CQFM | Hardness Rating | 22.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM |
| ASDB | Width Across Flats | 1.973 INCHES MINIMUM AND 2.008 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 12 |
| Relevant Components for NSN - 5310-01-400-3254, 5310014003254 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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