The Cover,compartment Heater, cataloged under National Stock Number 2540-01-104-9784, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Dcm Manufacturing, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-104-9784 |
| Primary Part Number | B2104 |
| Item Name | Cover,compartment Heater |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Dcm Manufacturing, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 8.750 IN. LG,3.562 IN. W,3.500 IN. H; CONCAVE SHAPE LOCATED ON SIDES FOR SEATING ARRANGEMENT; W/TWO FUEL INLET SLOTS; 0.562 IN. UNTHD HOLE AND 0.250 IHN. SLOT W LOCATED ON FRONT OF COVER; OLIVE DRAB PAINTED FINISH IN |
| 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 2540-01-104-9784 is a Cover,compartment Heater, manufactured by Dcm Manufacturing, Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-104-9784 has 2 manufacturer part numbers on file: 2HC112 (Oshkosh Defense Llc), B2104 (Dcm Manufacturing, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-352-7778. Verify interchangeability with system specifications before substitution.
Key specifications for B2104: General Characteristics Item Description: STEEL; 8.750 IN. LG,3.562 IN. W,3.500 IN. H; CONCAVE SHAPE LOCATED ON SIDES FOR SEATING ARRANGEMENT; W/TWO FUEL INLET SLOTS; 0.562 IN. UNTHD HOLE AND 0.250 IHN. SLOT W LOCATED ON FRONT OF COVER; OLIVE DRAB PAINTED FINISH IN. 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.
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.