NSN 4520-01-554-8665 · NIIN 015548665 · Part number 319-231137-223
Chromalox Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 07131
Government record, cited
NSN 4520-01-554-8665 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-554-8665. Manufacturer of record part number: 319-231137-223.
Also searched as4520-01-554-8665 ·
4520015548665 ·
NIIN 015548665 ·
01-554-8665 ·
FSC 4520 Space and Water Heating Equipment · CAGE 07131 · 319-231137-223
Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE
Maximum Wattage Rating in Watts: 1000.0 SINGLE VOLTAGE
1 manufacturer part number on file
Manufacturer of record: Chromalox Inc
Identification
NSN: 4520-01-554-8665
NIIN: 015548665
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 319-231137-223
Manufacturer: Chromalox Inc
General Description
The Heating Element,electrical,immer, cataloged under National Stock Number 4520-01-554-8665, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 4520-01-554-8665?
NSN 4520-01-554-8665 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 4520-01-554-8665?
NSN 4520-01-554-8665 has 1 manufacturer part number on file: 319-231137-223 (Chromalox Inc).
What are the specifications of 319-231137-223?
Key specifications for 319-231137-223: Voltage in Volts and Current Type: 440.0 AC SINGLE VOLTAGE; Maximum Wattage Rating in Watts: 1000.0 SINGLE VOLTAGE; End Item Identification: HEATER,IMMERSION, P/N TMOSS-1515E4XX ABOARD 420 FT NSC (WMSL-750) FT. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-554-8665 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.