The Heating Blanket,electrical, cataloged under National Stock Number 4540-01-526-3474, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heating Blanket,electrical |
| FSC / FSG | 4540 — Waste Disposal Equipment (FSG 45) |
| Manufacturers | Berg Manufacturing, Inc. (CAGE 4JKJ9); Ovc-Engineered Solutions Llc (CAGE 0U5N7) |
| Parameter | Value |
|---|---|
| NSN | 4540-01-526-3474 |
| Primary Part Number | 33901126-8 |
| Item Name | Heating Blanket,electrical |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Ovc-Engineered Solutions Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 33901126-8 | Berg Manufacturing, Inc. (USA) |
| 33901126-8 PRIMARY | Ovc-Engineered Solutions Llc (USA) |
| Reference | Meaning |
|---|---|
| 33901126 | D/9 Drawing number reference only Ovc-Engineered Solutions Llc |
NSN 4540-01-526-3474 is a Heating Blanket,electrical, manufactured by Ovc-Engineered Solutions Llc, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-526-3474 has 2 manufacturer part numbers on file: 33901126-8 (Berg Manufacturing, Inc.), 33901126-8 (Ovc-Engineered Solutions Llc).
1 possible match (shared part number, not a government interchangeability claim): 4540-01-526-3475. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). 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.