| 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) | 00-262-6412 (002626412) |
| NCB Code | USA (00) |
| Manufacturer | Keystone Bolt And Nut Corp, Navair And Navsea Managed, Fitz Aerospace Llc, Harvard Industries Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 21U058 | keystone bolt and nut corp | nut self locking hexagon | RFQ |
| 2413399 | navair and navsea managed | nut self locking hexagon | RFQ |
| 79NU058 | fitz aerospace llc | nut self locking hexagon | RFQ |
| 79NU058 | harvard industries inc | nut self locking hexagon | RFQ |
| 213068PC22 | navair and navsea managed | nut self locking hexagon | RFQ |
| 79NU05 | fitz aerospace llc | nut self locking hexagon | RFQ |
| 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 | 0.551 INCHES MINIMUM AND 0.566 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| BZRR | THREAD SERIES | UNC |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MATT | MATERIAL | PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT OR PLASTIC POLYCAPROLACTAM LOCKING INSERT |
| MATT | MATERIAL | STEEL COMP 303 NUT OR STEEL COMP 303SE NUT OR STEEL COMP 303 PLUS X NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD ALL MATERIAL RESPONSES NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-M-20693 MIL SPEC ALL MATERIAL RESPONSES LOCKING INSERT |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL EXCEPT INSERT |
| Relevant Components for NSN - 5310-00-262-6412, 5310002626412 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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