PartsTable TECHNICAL DATA SHEET
NSN 2540-01-563-8338Government record, cited

Valve, Heater Control, Vehicular2540-01-563-8338

NSN 2540-01-563-8338 · NIIN 015638338 · Part number 6654191
Melroe Co · FSC 2540 — Vehicular Furniture and Accessories · FSG 25 — Vehicular Equipment Components · CAGE 9W224
Government record, cited
NSN 2540-01-563-8338 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-563-8338. Manufacturer of record part number: 6654191.
Also searched as  2540-01-563-8338 · 2540015638338 · NIIN 015638338 · 01-563-8338 · FSC 2540 Vehicular Furniture and Accessories · CAGE 9W224 · 6654191
Nearby stock numbers  ·
Features
  • Valve,heater Control,vehicular — FSC 2540
  • 1 manufacturer part number on file
  • Manufacturer of record: Melroe Co
Identification
  • NSN: 2540-01-563-8338
  • NIIN: 015638338
  • FSC: 2540 — Vehicular Furniture and Accessories
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: 6654191
  • Manufacturer: Melroe Co
General Description

The Valve,heater Control,vehicular, cataloged under National Stock Number 2540-01-563-8338, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Melroe Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2540-01-563-8338
Primary Part Number6654191
Item NameValve,heater Control,vehicular
FSC / FSG2540 / 25 — Vehicular Furniture and Accessories
ManufacturerMelroe Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
6654191 PRIMARY Melroe Co (USA)
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.
2540-00-003-8351
BOW,VEHICULAR TOP
2540-00-211-6255
ADAPTER,FLANGE
2540-00-286-9674
MIRROR ASSEMBLY,REARVIEW
2540-00-383-5078
PINTLE ASSEMBLY,TOWING
2540-00-402-8320
PEDAL,CONTROL
2540-00-693-1039
LINK,REPAIR,TIRE CROSS CHAIN
2540-01-221-1441
VENTILATOR,AIR CIRCULATING
2540-01-568-0545
INSULATION,VEHICULAR

Frequently Asked Questions

What is NSN 2540-01-563-8338?

NSN 2540-01-563-8338 is a Valve,heater Control,vehicular, manufactured by Melroe Co, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.

What part numbers are listed for NSN 2540-01-563-8338?

NSN 2540-01-563-8338 has 1 manufacturer part number on file: 6654191 (Melroe Co).

What are the specifications of 6654191?

Key specifications for 6654191: End Item Identification: HEATER KIT (FRESH AIR) FOR BOBCAT 553 SKID STEER LOADER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 2540-01-563-8338 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.
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