The Valve,heater Control,vehicular, cataloged under National Stock Number 2540-01-531-3399, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2540-01-531-3399
Item Name
Valve,heater Control,vehicular
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
6735-81-3120
C/1Advisory reference — outside the item-of-supply concept
Komatsu America Corp.
6735-81-3120
3/9Design control — primary reference
Komatsu American Intl Co
1294937H91
5/9Secondary reference
Komatsu American Intl Co
No interchangeability data on file.
Other items in FSC 2540 — Vehicular Furniture and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2540-00-001-2045
2540-00-001-2045 · Item name not on file
2540-00-001-3392
2540-00-001-3392 · Item name not on file
2540-00-001-3467
2540-00-001-3467 · Item name not on file
2540-00-001-3534
2540-00-001-3534 · Item name not on file
2540-00-001-3535
2540-00-001-3535 · Item name not on file
2540-00-001-3536
2540-00-001-3536 · Item name not on file
2540-00-001-3537
BRACKET,HEADLIGHT,MOUNTING
2540-00-001-3538
BRACKET,HEADLIGHT,MOUNTING
Frequently Asked Questions
What is NSN 2540-01-531-3399?
NSN 2540-01-531-3399 is a Valve,heater Control,vehicular, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What are the specifications of 2540-01-531-3399?
Key specifications for 2540-01-531-3399: Special Features: USED ON KOMATSU GALION MOTORIZED ROAD GRADER ENGINE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2540-01-531-3399 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.