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) | 00-810-4499 (008104499) |
| NCB Code | USA (00) |
| Manufacturer | Eca Etablissement Central Des, Society Of Automotive Engineers Inc, Sae International, Mke Agir Silah Ve Celik Fabrika, Military Standards Corp, Inspektorat Wsparcia Sil Zbrojnych |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 4730008104499 | eca etablissement central des | nut tube coupling | RFQ |
| MS21921-6 | society of automotive engineers inc | nut tube coupling | RFQ |
| AS21921 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921V6P | society of automotive engineers inc | nut tube coupling | RFQ |
| AS18280 | sae international | nut tube coupling | RFQ |
| MS21921-6 | mke agir silah ve celik fabrika | nut tube coupling | RFQ |
| AS18280 | society of automotive engineers inc | nut tube coupling | RFQ |
| MS21921-6 | military standards corp | nut tube coupling | RFQ |
| 4730PL1398217 | inspektorat wsparcia sil zbrojnych | nut tube coupling | RFQ |
| AS21921 | sae international | nut tube coupling | RFQ |
| MS21921V6P | sae international | nut tube coupling | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CQJX | NOMINAL THREAD SIZE | 0.5625 INCHES |
| CRRB | SEAT ANGLE | 45.00 DEGREES NOMINAL |
| FEAT | SPECIAL FEATURES | SUPPORTS GRUMMAN A10 AIRCRAFT. THREAD SERIES IS UNFJ. NUT STYLE IS A350 TUBE COUPLING. LENGTH TO SHOULDER IS ANY ACCEPTABLE . |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AARN | FABRICATION METHOD | MACHINED |
| ADEA | NUT HEIGHT | 0.800 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.688 INCHES NOMINAL |
| BSPX | SMALLEST INSIDE DIAMETER | 0.425 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | 0.375 INCHES |
| MATT | MATERIAL | STEEL COMP XM-12 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 15-5 PH STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-810-4499, 4730008104499 | ||||
| 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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