NSN 2540-01-556-3785 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-556-3785. Manufacturer of record part number: 4288133.
Also searched as2540-01-556-3785 ·
2540015563785 ·
NIIN 015563785 ·
01-556-3785 ·
FSC 2540 Vehicular Furniture and Accessories · CAGE 076M6 · 4288133
Nearby stock numbers← 2540-01-556-3779 Duct Assembly, Air Conditioning-H
·
2540-01-556-3789 Duct Assembly, Air Conditioning-H →
Features
Mixing Box Heater — FSC 2540
1 manufacturer part number on file
Manufacturer of record: Amz Alabama Inc.
Identification
NSN: 2540-01-556-3785
NIIN: 015563785
FSC: 2540 — Vehicular Furniture and Accessories
FSG: 25 — Vehicular Equipment Components
Primary part number: 4288133
Manufacturer: Amz Alabama Inc.
General Description
The Mixing Box Heater, cataloged under National Stock Number 2540-01-556-3785, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Amz Alabama Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
2540-01-556-3785
Primary Part Number
4288133
Item Name
Mixing Box Heater
FSC / FSG
2540 / 25 — Vehicular Furniture and Accessories
Manufacturer
Amz Alabama Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 2540-01-556-3785?
NSN 2540-01-556-3785 is a Mixing Box Heater, manufactured by Amz Alabama Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
What part numbers are listed for NSN 2540-01-556-3785?
NSN 2540-01-556-3785 has 1 manufacturer part number on file: 4288133 (Amz Alabama Inc.).
What are the specifications of 4288133?
Key specifications for 4288133: End Item Identification: MRAP - UNIQUE NSN - USED ON 3 MRAP VARIANTS (A/C SYSTEM). 0 specifications are documented in the U.S. Government catalog.
Is NSN 2540-01-556-3785 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.
What is the DEMIL code for NSN 2540-01-556-3785?
NSN 2540-01-556-3785 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.