| 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 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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