The Duct Assembly,air Conditioning-H, cataloged under National Stock Number 2540-01-618-7488, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Hi-Tech Hose Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-618-7488 |
| Primary Part Number | HTR 4 |
| Item Name | Duct Assembly,air Conditioning-H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Hi-Tech Hose Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 2540-01-618-7488 is a Duct Assembly,air Conditioning-H, manufactured by Hi-Tech Hose Inc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-618-7488 has 2 manufacturer part numbers on file: HTR 4 (Hi-Tech Hose Inc), 2080810 (Oshkosh Defense Llc).
Key specifications for HTR 4: Special Features: INSIDE DIAMETER: 4.0 INCHES, MATERIAL: POLYPROPYLENE ELASTOMER 0.009 TO 0.011 INXHES THICK, POLYPROPYLENE ROD SPIRAL SUPPORTED. IN; Part Name Assigned by Controlling Agency: DUCTING,FLEXIBLE; End Item Identification: 2320-01-542-9941, TRUCK,TRACTOR LVSR. 0 specifications are 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.
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.