| 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) | 01-516-0893 (015160893) |
| NCB Code | USA (01) |
| Manufacturer | Electric Boat Corporation, Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| B643-1010-F71 | electric boat corporation | coupling air duct | 96169 | RFQ |
| DF2680-1556 FN 60 | huntington ingalls incorporated | coupling air duct | 43689 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| FEAT | Special Features | WEAPON SYSTEM ESSENTIAL; RECTANGULAR FLEXIBLE, INNER OPENING 17"X9"; EACH END HAS 1.69" WIDE MOUNTING FLANGE .187" THICK, MOUNTING HOLES DRILLED DURING INSTALLATION |
| AGAV | End Item Identification | MISC PARTS VENTILATION |
| ABHP | Overall Length | 2.500 INCHES NOMINAL |
| TEXT | General Characteristics Item Description | SYNTHETIC RUBBER, MIL-R-6855/5 STYLE A |
| CXCY | Part Name Assigned By Controlling Agency | FLEXIBLE CONNECTION |
| MRC | Decoded Requirement | Clear Text Reply |
| ABKW | Overall Height | 12.380 INCHES NOMINAL |
| ABMK | Overall Width | 17.380 INCHES NOMINAL |
| CRTL | Criticality Code Justification | FEAT |
| Relevant Components for NSN - 4730-01-516-0893, 4730015160893 | ||||
| 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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