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) | 00-555-8203 (005558203) |
| NCB Code | USA (00) |
| Manufacturer | Society Of Automotive Engineers Inc, Alcoa Global Fasteners Inc, Parker Hannifin Corporation, Wellman Group, Sae International, Finmeccanica Spa Helicopters, Eaton Aeroquip Inc, Triumph Aerostructures Llc, Military Standards Corp, S I Electronics Inc, Alcoa Fastening Systems Ltd, Lockheed Martin Corporation, Designed Metal Connections Inc, Dana Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| VSF1212-4WW | alcoa global fasteners inc | nut tube coupling | RFQ |
| 2652291W4 | parker hannifin corporation | nut tube coupling | RFQ |
| 156 15 | wellman group | nut tube coupling | RFQ |
| MS21921-4D | society of automotive engineers inc | nut tube coupling | RFQ |
| AS21921-4D | society of automotive engineers inc | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| 137618257 | finmeccanica spa helicopters | nut tube coupling | RFQ |
| 118-21600-230-4 | eaton aeroquip inc | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| 202-21600W4 | triumph aerostructures llc | nut tube coupling | RFQ |
| CVC4257W4 | triumph aerostructures llc | nut tube coupling | RFQ |
| AS21921-4D | sae international | nut tube coupling | RFQ |
| MS21921D4 | military standards corp | nut tube coupling | RFQ |
| DV600W4 | s i electronics inc | nut tube coupling | RFQ |
| VSF1212-4WW | alcoa fastening systems ltd | nut tube coupling | RFQ |
| ER817-4D | lockheed martin corporation | nut tube coupling | RFQ |
| 118-21600-230-4 | designed metal connections inc | nut tube coupling | RFQ |
| MS21921-4D | sae international | nut tube coupling | RFQ |
| 118-21600-230-4 | dana 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 | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT APPLICATION,IROQUIS UH-1,CHINOOK CH-47 HELICOPTER,DELTA DART F-106,F-111. TOMCAT F-14A,STARLIFTER C-141 AIRCRAFT,E-3A AIRCRAFT WARNING AND CONTROL SYSTEM (AWACS) |
| ASDB | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL |
| BRQL | LENGTH TO SHOULDER | 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM |
| BSPX | SMALLEST INSIDE DIAMETER | 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.250 INCHES |
| CRRB | SEAT ANGLE | 45.00 DEGREES NOMINAL |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | GRUMMAN AEROSPACE CORP A10 AIRCRAFT; WEAPON SYSTEM ESSENTIAL |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-555-8203, 4730005558203 | ||||
| 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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