We've received your request for DF2680-1556 FN 156 (described as Coupling Air Duct), manufactured by Huntington Ingalls Incorporated with CAGE code 43689. This part is registered under NSN 4730-01-546-3550, classified in FSG / FSC . Our verification process will confirm traceability through supporting identifiers including NIIN 01-546-3550, NCB code 01 (origin: USA), and INC 77777. Please submit your formal quotation request to proceed.
Thank you for choosing Aerospace Exchange for your DF2680-1556 FN 156 requirements. We specialize in authenticated aerospace components, offering both NSN-tracked military parts and commercial equivalents, all validated through our rigorous sourcing protocols.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 4730-01-546-3550 Item PartTypeName: COUPLING,AIR DUCT | 4730 | 015463550 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 211071069 | 5 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADAV | OVERALL DIAMETER | 8.880 INCHES NOMINAL |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | SYNTHETIC RUBBER, MIL-R-6855/5 STYLE A |
| 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; ROUND FLEXIBLE, 8.88"" O.D., 5.500"" I.D.; EDGE AS 1.69"" WIDE MOUNTING FLANGE .187"" THHICK; MOUNTING HOLES DRILLED DURING INSTALLATION |
| ABHP | OVERALL LENGTH | 2.500 INCHES NOMINAL |
| ADPE | Represents items with no adp components |
|---|---|
| CRITL | The item does not have a nuclear hardened feature but does have other critical featur (s) such as tolerance, fit restrictions or application. |
| ESD | A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity. |
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | A - Item does not contain precious metal. |
| AAC | J |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9b----- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
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