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) | 00-825-2102 (008252102) |
| NCB Code | USA (00) |
| Manufacturer | Sae International, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21921-2J | sae international | nut tube coupling | RFQ |
| MS21921-2J | military standards corp | nut tube coupling | RFQ |
| MS21921-2K | military standards corp | nut tube coupling | RFQ |
| MS21921-2C | military standards corp | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARN | FABRICATION METHOD | MACHINED |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.125 INCHES |
| CRRB | SEAT ANGLE | 45.00 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.520 INCHES MINIMUM AND 0.530 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.400 INCHES MINIMUM AND 0.425 INCHES MAXIMUM |
| BSPX | SMALLEST INSIDE DIAMETER | 0.171 INCHES NOMINAL |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE 304 OR 316 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-825-2102, 4730008252102 | ||||
| 4730-01-631-9750 (4730016319750) | 4730-01-131-3423 (4730011313423) | 4730-01-365-7893 (4730013657893) | 4720-01-440-4645 (4720014404645) | |
| 4710-00-618-8973 (4710006188973) | 4730-01-386-0632 (4730013860632) | 4720-01-476-2535 (4720014762535) | 4730-01-417-2391 (4730014172391) | |
| 4710-01-660-9268 (4710016609268) | 4730-00-105-2420 (4730001052420) | 4710-01-339-8689 (4710013398689) | 4720-01-676-3361 (4720016763361) | |
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