AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Reducer Boss |
| 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) | 00-640-7200 (006407200) |
| NCB Code | USA (00) |
| Manufacturer | Sae International, Finmeccanica Spa Helicopters, Embraer Empresa Brasileira De, Embraer Sa, Inspektorat Wsparcia Sil Zbrojnych, Society Of Automotive Engineers Inc, Dana Corp, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AS21916D8-4 | sae international | reducer boss | RFQ |
| 112740380 | finmeccanica spa helicopters | reducer boss | RFQ |
| 3100738 | embraer empresa brasileira de | reducer boss | RFQ |
| 3100738 | embraer sa | reducer boss | RFQ |
| 4730PL0143773 | inspektorat wsparcia sil zbrojnych | reducer boss | RFQ |
| AS18280 | society of automotive engineers inc | reducer boss | RFQ |
| ER919D8-4 | dana corp | reducer boss | RFQ |
| AS18280 | sae international | reducer boss | RFQ |
| AS21916D8-4 | society of automotive engineers inc | reducer boss | RFQ |
| MS21916D8-4 | military standards corp | reducer boss | RFQ |
| MS21916D8-4 | sae international | reducer boss | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AGAV | END ITEM IDENTIFICATION | HELICOPTER,CH-53A/D/E |
| AHNC | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 2ND END |
| CQJX | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |
| CWFR | NOMINAL OVERALL LENGTH | 1.344 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 96906-MS21916 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-640-7200, 4730006407200 | ||||
| 4720-01-534-8173 (4720015348173) | 4730-01-701-7883 (4730017017883) | 4730-01-598-0285 (4730015980285) | 4710-00-504-5516 (4710005045516) | |
| 4730-01-203-2201 (4730012032201) | 4730-01-264-0778 (4730012640778) | 4720-00-639-9764 (4720006399764) | 4730-00-289-4981 (4730002894981) | |
| 4710-00-467-8492 (4710004678492) | 4710-01-139-7139 (4710011397139) | 4730-00-929-8993 (4730009298993) | 4720-00-470-9995 (4720004709995) | |
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