NSN 4520-01-525-4637 · NIIN 015254637 · Part number ED00188R0550-S
Quality Defense Spares, Inc. Dba Quality Defense Spares Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 0ZSC3
Government record, cited
NSN 4520-01-525-4637 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-525-4637. Manufacturer of record part number: ED00188R0550-S.
Also searched as4520-01-525-4637 ·
4520015254637 ·
NIIN 015254637 ·
01-525-4637 ·
FSC 4520 Space and Water Heating Equipment · CAGE 0ZSC3 · ED00188R0550-S
Nearby stock numbers← 4520-01-525-4015 Coupling, Air Conditioning-Heatin
·
4520-01-525-5742 Register, Air →
Features
Heating Element,electrical,nonim — FSC 4520
1 manufacturer part number on file
Manufacturer of record: Quality Defense Spares, Inc. Dba Quality Defense Spares Inc
Identification
NSN: 4520-01-525-4637
NIIN: 015254637
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: ED00188R0550-S
Manufacturer: Quality Defense Spares, Inc. Dba Quality Defense Spares Inc
General Description
The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-525-4637, 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 Quality Defense Spares, Inc. Dba Quality Defense Spares Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Quality Defense Spares, Inc. Dba Quality Defense Spares Inc (USA)
Reference documents
Reference
Meaning
ED00188R0550-S
5/9Secondary reference
Lombardini U.s.a., Inc
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 4520-01-525-4637?
NSN 4520-01-525-4637 is a Heating Element,electrical,nonim, manufactured by Quality Defense Spares, Inc. Dba Quality Defense Spares Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-525-4637?
NSN 4520-01-525-4637 has 1 manufacturer part number on file: ED00188R0550-S (Quality Defense Spares, Inc. Dba Quality Defense Spares Inc).
Is NSN 4520-01-525-4637 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.