| Item Name | Coupling Air Duct |
| 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) | 01-546-3217 (015463217) |
| NCB Code | USA (01) |
| Manufacturer | Electric Boat Corporation, Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 211042905 | electric boat corporation | coupling air duct | 96169 | RFQ |
| DF2680-1556 FN 160 | huntington ingalls incorporated | coupling air duct | 43689 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 2.500 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 7.880 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 9.380 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | MISC PARTSVENTILATION |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FLEXIBLE CONNECTION |
| FEAT | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL; RECTANGULAR FLEXIBLE, INNER OPENING 6 X4.5 ; EACH END HAS 1.69 WIDE MOUNTING FLANGE .187 THICK; MOUNTING HOLES DRILLED DURING INSTALLATION |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | SYNTHETIC RUBBER, MIL-R-6855/5 STYLE A |
| Relevant Components for NSN - 4730-01-546-3217, 4730015463217 | ||||
| 4730-01-469-3594 (4730014693594) | 4720-00-236-0082 (4720002360082) | 4730-01-594-7646 (4730015947646) | 4730-01-658-6133 (4730016586133) | |
| 4710-01-489-1638 (4710014891638) | 4720-01-348-4338 (4720013484338) | 4730-01-329-2969 (4730013292969) | 4720-01-657-3820 (4720016573820) | |
| 4720-00-631-3173 (4720006313173) | 4730-01-496-8185 (4730014968185) | 4720-00-012-3581 (4720000123581) | 4730-01-242-7736 (4730012427736) | |
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