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) | 00-966-0477 (009660477) |
| NCB Code | USA (00) |
| Manufacturer | Parker Hannifin Corporation, Military Standards Corp, Military Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 2BTX-SS | parker hannifin corporation | nut tube coupling | RFQ |
| MS51531B2S | military standards corp | nut tube coupling | RFQ |
| MIL-F-18866 | military specifications | nut tube coupling | RFQ |
| MIL-DTL-18866 | military specifications | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AARN | FABRICATION METHOD | MACHINED |
| ACTA | NUT STYLE | TUBE COUPLING |
| ADEA | NUT HEIGHT | 0.540 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.460 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.160 INCHES NOMINAL |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.125 INCHES |
| MATT | MATERIAL | STEEL COMP 304 OVERALL OR STEEL COMP 316 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1 OR 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS51531 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-966-0477, 4730009660477 | ||||
| 4730-00-411-5567 (4730004115567) | 4710-01-370-6181 (4710013706181) | 4710-01-269-8945 (4710012698945) | 4710-01-691-7944 (4710016917944) | |
| 4710-01-501-6505 (4710015016505) | 4730-01-342-6832 (4730013426832) | 4720-01-487-2828 (4720014872828) | 4730-00-277-5835 (4730002775835) | |
| 4730-01-548-1236 (4730015481236) | 4720-01-689-6099 (4720016896099) | 4730-00-651-6144 (4730006516144) | 4720-00-122-4213 (4720001224213) | |
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