NSN 4520-01-657-6961 · NIIN 016576961 · Part number 552-8556761 OXYGEN CLEANCP
Naval Inventory Control Point Mechanicsburg · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 03950
Government record, cited
NSN 4520-01-657-6961 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-657-6961. Manufacturer of record part number: 552-8556761 OXYGEN CLEANCP.
Also searched as4520-01-657-6961 ·
4520016576961 ·
NIIN 016576961 ·
01-657-6961 ·
FSC 4520 Space and Water Heating Equipment · CAGE 03950 · 552-8556761 OXYGEN CLEANCP · 552-8556761 OXYGEN CLEAN
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 4520-01-657-6961
NIIN: 016576961
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 552-8556761 OXYGEN CLEANCP
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Heater,space, cataloged under National Stock Number 4520-01-657-6961, 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 Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Heater,space
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers
Naval Inventory Control Point Mechanicsburg (CAGE 03950)
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 4520-01-657-6961?
NSN 4520-01-657-6961 is a Heater,space, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-657-6961?
NSN 4520-01-657-6961 has 1 manufacturer part number on file: 552-8556761 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg).
Is NSN 4520-01-657-6961 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.