NSN 4520-01-344-5385 · NIIN 013445385 · Part number 123-1423
Avionics Specialties, Inc. · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 10639
Government record, cited
NSN 4520-01-344-5385 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-344-5385. Manufacturer of record part number: 123-1423.
Also searched as4520-01-344-5385 ·
4520013445385 ·
NIIN 013445385 ·
01-344-5385 ·
FSC 4520 Space and Water Heating Equipment · CAGE 10639 · 123-1423 · 00910080
Manufacturer of record: Avionics Specialties, Inc.
Identification
NSN: 4520-01-344-5385
NIIN: 013445385
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 123-1423
Manufacturer: Avionics Specialties, Inc.
General Description
The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-344-5385, 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 Avionics Specialties, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4520-01-344-5385
Primary Part Number
123-1423
Item Name
Heating Element,electrical,nonim
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
Avionics Specialties, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 4520-01-344-5385 is a Heating Element,electrical,nonim, manufactured by Avionics Specialties, Inc., classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-344-5385?
NSN 4520-01-344-5385 has 2 manufacturer part numbers on file: 00910080 (Watlow Electric Manufacturing Co Dba Watlow), 123-1423 (Avionics Specialties, Inc.).
What NSN replaces 4520-01-344-5385?
1 possible match (shared part number, not a government interchangeability claim): 1730-01-581-2960. Verify interchangeability with system specifications before substitution.
What are the specifications of 123-1423?
Key specifications for 123-1423: Special Features: HEATER-BODY. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4520-01-344-5385 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.