The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-00-378-9685, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Heating Element,electrical,nonim
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Technical Specifications
Parameter
Value
NSN
4520-00-378-9685
Item Name
Heating Element,electrical,nonim
FSC / FSG
4520 / 45 — Space and Water Heating 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)
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-00-398-9384BS1267PC10POSSIBLE MATCH
RING,LANTERN
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
2510-00-618-512732W3507POSSIBLE MATCH
PLATE ARMOR RADIATO
Possible match (shared part number)Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5950-00-645-7766H7POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)Magnetika Inc
5340-01-126-5104H7POSSIBLE MATCH
HANDLE,BOW
Possible match (shared part number)Scientific Atlanta Inc
5340-01-352-2163POSSIBLE MATCH
CLAMP,LOOP
Possible match (shared part number)
4240-01-469-87387000009669POSSIBLE MATCH
EAR MUFF
Possible match (shared part number)3m Company
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
H7
3/9Design control — primary reference
Siemens Energy and Automation Inc Siemens Furnas Controls Div
2612
5/9Secondary reference
U.S. Government activity
Related Parts
4320-00-398-9384POSSIBLE MATCH
RING,LANTERN
BS1267PC10
2510-00-618-5127POSSIBLE MATCH
PLATE ARMOR RADIATO
32W3507
5950-00-645-7766POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
H7
5340-01-126-5104POSSIBLE MATCH
HANDLE,BOW
H7
5340-01-352-2163POSSIBLE MATCH
CLAMP,LOOP
4240-01-469-8738POSSIBLE MATCH
EAR MUFF
7000009669
Frequently Asked Questions
What is NSN 4520-00-378-9685?
NSN 4520-00-378-9685 is a Heating Element,electrical,nonim, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What NSN replaces 4520-00-378-9685?
6 possible matches (shared part number, not a government interchangeability claim): 4320-00-398-9384, 2510-00-618-5127, 5950-00-645-7766. Verify interchangeability with system specifications before substitution.
Is NSN 4520-00-378-9685 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.