The Valve,heater Control,vehicular, cataloged under National Stock Number 2540-01-677-8717, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Red Dot Corporation Dba Red Dot Corp. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,heater Control,vehicular |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Flyer Defense, Llc (CAGE 1RZR5); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Red Dot Corporation Dba Red Dot Corp (CAGE 62534) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-677-8717 |
| Primary Part Number | RD-1-2709-0 |
| Item Name | Valve,heater Control,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Red Dot Corporation Dba Red Dot Corp |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 12579648 | Flyer Defense, Llc (USA) |
| 12579648 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RD-1-2709-0 PRIMARY | Red Dot Corporation Dba Red Dot Corp (USA) |
| Reference | Meaning |
|---|---|
| 12579648 | 5/9 Secondary reference General Dynamics Ordnance and Tactical Systems, Inc. |
NSN 2540-01-677-8717 is a Valve,heater Control,vehicular, manufactured by Red Dot Corporation Dba Red Dot Corp, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-677-8717 has 3 manufacturer part numbers on file: 12579648 (Flyer Defense, Llc), 12579648 (U S Army Tank Automotive Command Amsta-Im-Mm), RD-1-2709-0 (Red Dot Corporation Dba Red Dot Corp).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-678-3887. Verify interchangeability with system specifications before substitution.
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.