The Heater,blanket, cataloged under National Stock Number 4540-01-188-4034, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-188-4034 |
| Item Name | Heater,blanket |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIPMENT,AIRCRAFT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 115558 | 3/9 Design control — primary reference E/m Coating Services Div E/m Coating Services North Hollywood |
NSN 4540-01-188-4034 is a Heater,blanket, classified under FSC 4540, Waste Disposal Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 7030-01-324-5980, 5310-01-479-9055. Verify interchangeability with system specifications before substitution.
Key specifications for 4540-01-188-4034: FSC Application Data: NIGHT VISION EQUIPMENT,AIRCRAFT; End Item Identification: AIRCRAFT MODEL A-7E. 1 specification is documented in the U.S. Government catalog.
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.