| 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 | S I Electronics Inc, Alcoa Fastening Systems Ltd, Sae International, Designed Metal Connections Inc, Parker Hannifin Corporation, Society Of Automotive Engineers Inc, Wellman Group, Military Standards Corp, Triumph Aerostructures Llc, Alcoa Global Fasteners Inc, Finmeccanica Spa Helicopters, Dana Corp, Eaton Aeroquip Inc, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| DV600W4 | s i electronics inc | nut tube coupling | RFQ |
| VSF1212-4WW | alcoa fastening systems ltd | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| 118-21600-230-4 | designed metal connections inc | nut tube coupling | RFQ |
| 2652291W4 | parker hannifin corporation | nut tube coupling | RFQ |
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-4D | sae international | nut tube coupling | RFQ |
| AS21921-4D | sae international | nut tube coupling | RFQ |
| 156 15 | wellman group | nut tube coupling | RFQ |
| MS21921D4 | military standards corp | nut tube coupling | RFQ |
| AS21921-4D | society of automotive engineers inc | nut tube coupling | RFQ |
| 202-21600W4 | triumph aerostructures llc | nut tube coupling | RFQ |
| VSF1212-4WW | alcoa global fasteners inc | nut tube coupling | RFQ |
| 137618257 | finmeccanica spa helicopters | nut tube coupling | RFQ |
| CVC4257W4 | triumph aerostructures llc | nut tube coupling | RFQ |
| 118-21600-230-4 | dana corp | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-4D | society of automotive engineers inc | nut tube coupling | RFQ |
| 118-21600-230-4 | eaton aeroquip inc | nut tube coupling | RFQ |
| ER817-4D | lockheed martin corporation | 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 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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