AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Locknut Tube Fittin |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 01-343-1771 (013431771) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS51860-53Z | military standards corp | locknut tube fittin | RFQ |
| MIL-DTL-18866 | military specifications | locknut tube fittin | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADEA | NUT HEIGHT | 0.250 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| AAJD | THREAD CLASS | 2B |
| ACTA | NUT STYLE | TUBE FITTING LOCKNUT |
| AGAV | END ITEM IDENTIFICATION | A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE |
| ASDB | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS51860 GOVERNMENT STANDARD |
| AARN | FABRICATION METHOD | MACHINED |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CFPT | PACKING RECESS DIAMETER | 0.625 INCHES NOMINAL |
| Relevant Components for NSN - 4730-01-343-1771, 4730013431771 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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