The Heater,immersion,liquid Fuel Fir, cataloged under National Stock Number 4520-01-652-0725, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Indeeco Llc Dba Indeeco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Heater,immersion,liquid Fuel Fir |
| FSC / FSG | 4520 — Space and Water Heating Equipment (FSG 45) |
| Manufacturers | Indeeco Llc Dba Indeeco (CAGE 74924) |
| Parameter | Value |
|---|---|
| NSN | 4520-01-652-0725 |
| Primary Part Number | B72000:E13511 |
| Item Name | Heater,immersion,liquid Fuel Fir |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Indeeco Llc Dba Indeeco |
| 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 |
|---|---|
| B35000:B13511 IT 3 | Indeeco Llc Dba Indeeco (USA) |
| B72000:E13511 PRIMARY | Indeeco Llc Dba Indeeco (USA) |
| Reference | Meaning |
|---|---|
| B35000:B13511 | D/9 Drawing number reference only Indeeco Llc Dba Indeeco |
NSN 4520-01-652-0725 is a Heater,immersion,liquid Fuel Fir, manufactured by Indeeco Llc Dba Indeeco, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-652-0725 has 2 manufacturer part numbers on file: B35000:B13511 IT 3 (Indeeco Llc Dba Indeeco), B72000:E13511 (Indeeco Llc Dba Indeeco).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-652-2637, 5330-01-652-2756. 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.