The Valve,heater Control,vehicular, cataloged under National Stock Number 2540-01-442-4550, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Daimler Truck North America Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-442-4550 |
| Primary Part Number | BSM 1000373395 |
| Item Name | Valve,heater Control,vehicular |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Daimler Truck North America Llc |
| 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 |
|---|---|
| BSM 1000373395 PRIMARY | Daimler Truck North America Llc (USA) |
| Reference | Meaning |
|---|---|
| KYS/173119 | 5/9 Secondary reference Daimler Truck North America Llc |
| KYS/173119N | 5/9 Secondary reference Daimler Truck North America Llc |
| 173119 | 3/9 Design control — primary reference Kysor Industrial Corp |
NSN 2540-01-442-4550 is a Valve,heater Control,vehicular, manufactured by Daimler Truck North America Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-442-4550 has 1 manufacturer part number on file: BSM 1000373395 (Daimler Truck North America Llc).
Key specifications for BSM 1000373395: Special Features: W/ ACTUATING LEVER;1ST CONNECTION,0.062 IN. OD;2ND CONNECTION,0.075 IN. OD;BOTH INLET AND OUTLET HAVE BEADED HOSE CONNECTIONS IN; End Item Identification: 2320-01-431-1163,TRUCK,TRACTOR;ARMY WEAPONS SYSTEM CODE,WF,TRUCK,LINE HAUL TRACTOR (M915 SERIES). 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.