The Heater,spherical, cataloged under National Stock Number 4540-01-257-2787, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4540-01-257-2787 |
| Item Name | Heater,spherical |
| FSC / FSG | 4540 / 45 — Waste Disposal Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL NICKEL CHROMIUM;INSULATION SILICON RUBBER;VOLTS 115;RESISTANCE 66.1 NOM;400 HZ;SINGLE PHASE;E/I COMBAT TALON II |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2439765-1 | 3/2 Design control — primary reference U.S. Government activity |
| 2439765 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4540-01-257-2787 is a Heater,spherical, classified under FSC 4540, Waste Disposal Equipment. Status: active.
Key specifications for 4540-01-257-2787: General Characteristics Item Description: MATERIAL NICKEL CHROMIUM;INSULATION SILICON RUBBER;VOLTS 115;RESISTANCE 66.1 NOM;400 HZ;SINGLE PHASE;E/I COMBAT TALON II. 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.
NSN 4540-01-257-2787 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.