Heater, Thermal Rele4540-00-503-1604

NSN 4540-00-503-1604 · NIIN 005031604

FSC 4540 — Waste Disposal Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal

Government record, cited

Also searched as 4540-00-503-1604 · 4540005031604 · NIIN 005031604 · 00-503-1604 · FSC 4540 Waste Disposal Equipment · A73-57908A · A73-57908A

Nearby stock numbers ← 4540-00-501-8895 Sanitizer, Sink · 4540-00-503-1606 Heater, Thermal Rele →

Features

Heater,thermal Rele — FSC 4540

Identification

NSN: 4540-00-503-1604
NIIN: 005031604
FSC: 4540 — Waste Disposal Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal

General Description

The Heater,thermal Rele, cataloged under National Stock Number 4540-00-503-1604, is classified within Federal Supply Class 4540 (Waste Disposal Equipment) of the Plumbing, Heating, and Waste Disposal group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Heater,thermal Rele
FSC / FSG	4540 — Waste Disposal Equipment (FSG 45)

Technical Specifications

Parameter	Value
NSN	4540-00-503-1604
Item Name	Heater,thermal Rele
FSC / FSG	4540 / 45 — Waste Disposal Equipment
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
A73-57908A	5/9 Secondary reference Joslyn Clark Controls, Llc
A73-57908A	3/9 Design control — primary reference Challenger Electrical Equipment Corp Industrial Products Operation

No interchangeability data on file.

Other items in FSC 4540 — Waste Disposal Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4540-00-001-1243

4540-00-001-1243 · Item name not on file

4540-00-001-6053

4540-00-001-6053 · Item name not on file

4540-00-001-7002

4540-00-001-7002 · Item name not on file

4540-00-001-7832

4540-00-001-7832 · Item name not on file

4540-00-001-7839

HEATING ELEMENT,ELE

4540-00-001-9407

4540-00-001-9407 · Item name not on file

4540-00-003-0152

4540-00-003-0152 · Item name not on file

4540-00-003-1491

4540-00-003-1491 · Item name not on file

Frequently Asked Questions

What is NSN 4540-00-503-1604?

NSN 4540-00-503-1604 is a Heater,thermal Rele, classified under FSC 4540, Waste Disposal Equipment. Status: active.

Is NSN 4540-00-503-1604 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

PartsTable Design LLC · partstable.com