The Heater,anti-Icing, cataloged under National Stock Number 4540-01-470-0777, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-470-0777 |
| Primary Part Number | 6849837-1 |
| Item Name | Heater,anti-Icing |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Wattage Rating | 460.000 WATTS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4540-01-470-0777 is a Heater,anti-Icing, manufactured by Naval Sea Systems Command, classified under FSC 4540, Waste Disposal Equipment. Status: active.
NSN 4540-01-470-0777 has 2 manufacturer part numbers on file: AA4815 (Thermal Circuits, Inc. Dba Thermal Circuits Inc), 6849837-1 (Naval Sea Systems Command).
Key specifications for 6849837-1: Wattage Rating: 460.000 WATTS; Special Features: TICONDEROGA CLASS CG (47); 13.0 WATTS/SQUARE IN. NOMINAL; ASSEMBLY INCLUDES 4 TERMINAL LUG CRIMP STYLE, COPPER; INSULATED (P/N MS17143-11), A WASHER, LOCK, FLAT, EXTERNAL TOOTH, NONMAGNETIC (P/N MS16213-61), AND 4 STRAP, TIE-DOWN, ELEC CMPNT, ADJUSTABLE; FUNGUS-PROOF, MOISTURE RESISTANT, AND CAPABLE OF SURVIVING SALT FOG AND SULFUR DIOXIDE TEST; HEATER CONSISTS OF 3 INTERNALLY CONNECTED SECTIONS; CONTROL AND OVER-TEMPERATURE THERMOSTATS; LIFE OF HEATER IS 10,000 HRS OF CONTINUOUS OPERATION; OUTLINE DWG FIIG 1A AND 1B ON NAVSEA DWG NO. 6849837 A; End Item Identification: AEGIS WPN SYS. 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.