NSN 4540-01-526-3347 — this item is cataloged by the U.S. Government under National Stock Number 4540-01-526-3347. Manufacturer of record part number: 33901126-3.
Manufacturer of record: Ovc-Engineered Solutions Llc
Identification
NSN: 4540-01-526-3347
NIIN: 015263347
FSC: 4540 — Waste Disposal Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 33901126-3
Manufacturer: Ovc-Engineered Solutions Llc
General Description
The Heating Blanket,electrical, cataloged under National Stock Number 4540-01-526-3347, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Ovc-Engineered Solutions Llc. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Heating Blanket,electrical
FSC / FSG
4540 — Waste Disposal Equipment (FSG 45)
Manufacturers
Ovc-Engineered Solutions Llc (CAGE 0U5N7); Berg Manufacturing, Inc. (CAGE 4JKJ9)
Technical Specifications
Parameter
Value
NSN
4540-01-526-3347
Primary Part Number
33901126-3
Item Name
Heating Blanket,electrical
FSC / FSG
4540 / 45 — Waste Disposal Equipment
Manufacturer
Ovc-Engineered Solutions Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2520-01-526-334812523518POSSIBLE MATCH
SLEEVE,HYDRAULIC HOSE,TRANSMISSI
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
4540-01-526-335533901126-6POSSIBLE MATCH
HEATING BLANKET,ELECTRICAL
Possible match (shared part number)Ovc-Engineered Solutions Llc
4540-01-526-347233901126-7POSSIBLE MATCH
HEATING BLANKET,ELECTRICAL
Possible match (shared part number)Berg Manufacturing, Inc.
4540-01-526-347433901126-8POSSIBLE MATCH
HEATING BLANKET,ELECTRICAL
Possible match (shared part number)Ovc-Engineered Solutions Llc
4540-01-526-347512523518-9POSSIBLE MATCH
HEATING BLANKET,ELECTRICAL
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
NSN 4540-01-526-3347 is a Heating Blanket,electrical, manufactured by Ovc-Engineered Solutions Llc, classified under FSC 4540, Waste Disposal Equipment. Status: active.
What part numbers are listed for NSN 4540-01-526-3347?
NSN 4540-01-526-3347 has 2 manufacturer part numbers on file: 33901126-3 (Ovc-Engineered Solutions Llc), 33901126-3 (Berg Manufacturing, Inc.).
What NSN replaces 4540-01-526-3347?
5 possible matches (shared part number, not a government interchangeability claim): 2520-01-526-3348, 4540-01-526-3355, 4540-01-526-3472. Verify interchangeability with system specifications before substitution.
Is NSN 4540-01-526-3347 hazardous material?
No hazard code in the DLA record (HMIC N). 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.