The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-645-0971, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Aerotech, Llc Div Jetway Systems. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2540-01-645-0971 |
| Primary Part Number | 3709690 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Oshkosh Aerotech, Llc Div Jetway Systems |
| Status | ACTIVE |
| Supplementary Features | 8 X 15'0 HPC ZIP/VELC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3709690 PRIMARY | Oshkosh Aerotech, Llc Div Jetway Systems (USA) |
NSN 2540-01-645-0971 is a Duct Assembly,air Conditioning-H, manufactured by Oshkosh Aerotech, Llc Div Jetway Systems, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-645-0971 has 1 manufacturer part number on file: 3709690 (Oshkosh Aerotech, Llc Div Jetway Systems).
Key specifications for 3709690: Supplementary Features: 8 X 15'0 HPC ZIP/VELC; Overall Width: 8.0 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: DUCT, INSUL. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2540-01-645-0971 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.