AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut,Tube Coupling |
| 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) | 01-254-9841 (012549841) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21921-4D | military standards corp | nut,tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.719 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.547 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.300 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.437 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| CRRB | SEAT ANGLE | 45.0 DEGREES NOMINAL |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-01-254-9841, 4730012549841 | ||||
| 4720-00-906-9886 (4720009069886) | 4730-00-082-5929 (4730000825929) | 4720-00-405-6354 (4720004056354) | 4730-01-189-5520 (4730011895520) | |
| 4720-99-052-0970 (4720990520970) | 4720-01-198-9803 (4720011989803) | 4710-01-434-3220 (4710014343220) | 4730-00-202-8098 (4730002028098) | |
| 4730-01-415-3256 (4730014153256) | 4730-01-058-2167 (4730010582167) | 4730-01-590-9027 (4730015909027) | 4730-01-017-8286 (4730010178286) | |
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