AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Self Locking Slotted Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-537-3920 (005373920) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Fitz Aerospace Llc, Harvard Industries Inc, Finmeccanica Spa Helicopters, Nimikkeistokeskus Ncb Finland |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21225-5 | national aerospace standards com | nut self locking slotted hexagon | RFQ |
| Z7764-5 | fitz aerospace llc | nut self locking slotted hexagon | RFQ |
| Z7764-5 | harvard industries inc | nut self locking slotted hexagon | RFQ |
| MS21225-5 | finmeccanica spa helicopters | nut self locking slotted hexagon | RFQ |
| 10121469 | nimikkeistokeskus ncb finland | nut self locking slotted hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | SLOTTED,HEXAGON |
| ADEA | NUT HEIGHT | 0.313 INCHES MINIMUM AND 0.343 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 800.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CRTM | BEARING SURFACE TYPE | WASHER FACED |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5725 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-537-3920, 5310005373920 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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