| Item Name | Nut Self Locking Internal Wrench |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-488-8711 (004888711) |
| NCB Code | USA (00) |
| Manufacturer | Fitz Aerospace Llc, Harvard Industries Inc, National Aerospace Standards Com, Sps Technologies Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 12B048 | fitz aerospace llc | nut self locking internal wrench | 019l2 | RFQ |
| 12B048 | harvard industries inc | nut self locking internal wrench | 72962 | RFQ |
| NAS443-4 | national aerospace standards com | nut self locking internal wrench | 80205 | RFQ |
| UWN428 | sps technologies inc | nut self locking internal wrench | 56878 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATB | WIDTH BETWEEN FLATS | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ABQZ | INTERNAL DRIVE STYLE | DOUBLE HEXAGON |
| ACTA | NUT STYLE | INTERNAL WRENCHING |
| ACTD | NUT DIAMETER | 0.531 INCHES NOMINAL |
| ADEA | NUT HEIGHT | 0.656 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 81205-NAS443 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Components Related to NSN - 5310-00-488-8711, 5310004888711 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
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