The Radiator,vehicular Compartment H, cataloged under National Stock Number 2540-01-479-3409, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2540-01-479-3409 |
| Primary Part Number | 8HB953 |
| Item Name | Radiator,vehicular Compartment H |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Tank Height | 12.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Core Width | 9.750 INCHES NOMINAL IN |
| Inlet Connection End Type | FLANGED |
| Core Height | 10.000 INCHES NOMINAL IN |
| Tank Quantity | 1 LOCATION NOT OTHERWISE SPECIFIED |
| Outlet Connection End Quantity | 1 |
| Tank Thickness | 2.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Inlet Connection End Shape | ROUND |
| Inlet Connection End Quantity | 1 |
| Core Type | TUBE |
| Outlet Connection End Shape | ROUND |
| Core Thickness | 2.500 INCHES NOMINAL IN |
| Core Quantity | 1 |
| Outlet End Connection Type | FLANGED |
| 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 2540-01-479-3409 is a Radiator,vehicular Compartment H, manufactured by Oshkosh Defense Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-479-3409 has 2 manufacturer part numbers on file: 8HB953 (Oshkosh Defense Llc), 072508001 (Therma-Tech Engineering Inc Dba Thermatech Ar Lintern).
Key specifications for 8HB953: Tank Height: 12.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Core Width: 9.750 INCHES NOMINAL IN; Inlet Connection End Type: FLANGED; Core Height: 10.000 INCHES NOMINAL IN. 14 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.