The Heater,coolant Electric, cataloged under National Stock Number 4540-01-097-4768, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4540-01-097-4768 |
| Primary Part Number | 1651596 |
| Item Name | Heater,coolant Electric |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF THREE ELECTRICAL POWERED INNER FINNED HEATER TUBES; 440 VOLTS; 15 KW; 3 PHASE 60 CYCLE;20 GPM FLOW; THERMAL INTERLOCKED W/OVER TEMPERATURE PROTECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4540-01-097-4768 is a Heater,coolant Electric, manufactured by Naval Sea Systems Command, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-097-4768 has 2 manufacturer part numbers on file: 1651596 (Naval Sea Systems Command), LLCF85981 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 2920-01-214-7104. Verify interchangeability with system specifications before substitution.
Key specifications for 1651596: General Characteristics Item Description: CONSISTS OF THREE ELECTRICAL POWERED INNER FINNED HEATER TUBES; 440 VOLTS; 15 KW; 3 PHASE 60 CYCLE;20 GPM FLOW; THERMAL INTERLOCKED W/OVER TEMPERATURE PROTECTION. 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.