NSN 4520-01-699-4621 · NIIN 016994621 · Part number 155-500738-565
Chromalox Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07131
Government record, cited
NSN 4520-01-699-4621 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-699-4621. Manufacturer of record part number: 155-500738-565.
Also searched as4520-01-699-4621 ·
4520016994621 ·
NIIN 016994621 ·
01-699-4621 ·
FSC 4520 Space and Water Heating Equipment · CAGE 07131 · 155-500738-565 · 500738565
Nearby stock numbers← 4520-01-699-3923 Register, Air
·
4520-01-699-6437 Control Box Assembly, Portable He →
Features
Heating Element,electrical,immer — FSC 4520
Phase: THREE SINGLE VOLTAGE
Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE
2 manufacturer part numbers on file
Manufacturer of record: Chromalox Inc
Identification
NSN: 4520-01-699-4621
NIIN: 016994621
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 155-500738-565
Manufacturer: Chromalox Inc
General Description
The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-699-4621, 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 Chromalox Inc. Government technical data includes 2 specifications, 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.
Argo Turboserve Corporation Div Argo Turboserve Corp. (USA)
No interchangeability data on file.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-699-4621?
NSN 4520-01-699-4621 is a Heating Element,electrical,immer, manufactured by Chromalox Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-699-4621?
NSN 4520-01-699-4621 has 2 manufacturer part numbers on file: 155-500738-565 (Chromalox Inc), 500738565 (Argo Turboserve Corporation Div Argo Turboserve Corp.).
What are the specifications of 155-500738-565?
Key specifications for 155-500738-565: Phase: THREE SINGLE VOLTAGE; Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE; Part Name Assigned by Controlling Agency: HEATER,IMMERSION. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-699-4621 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.