NSN 4520-00-450-9581 · NIIN 004509581 · Part number 880
General Filters Inc · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 72692
Government record, cited
NSN 4520-00-450-9581 — this item is cataloged by the U.S. Government under National Stock Number 4520-00-450-9581. Manufacturer of record part number: 880.
Also searched as4520-00-450-9581 ·
4520004509581 ·
NIIN 004509581 ·
00-450-9581 ·
FSC 4520 Space and Water Heating Equipment · CAGE 72692 · 880
General Characteristics Item Description: FUSED FIBERGLASS,HEAT RESISTANT AND NON-CORROSIVE,FITS MOST PLATE TYPE HUMIDIFIERS
1 manufacturer part number on file
Manufacturer of record: General Filters Inc
Identification
NSN: 4520-00-450-9581
NIIN: 004509581
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: 880
Manufacturer: General Filters Inc
General Description
The Plate,humidifier, cataloged under National Stock Number 4520-00-450-9581, 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 General Filters Inc. Government technical data includes 1 specification, 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.
Technical Specifications
Parameter
Value
NSN
4520-00-450-9581
Primary Part Number
880
Item Name
Plate,humidifier
FSC / FSG
4520 / 45 — Space and Water Heating Equipment
Manufacturer
General Filters Inc
Status
ACTIVE
General Characteristics Item Description
FUSED FIBERGLASS,HEAT RESISTANT AND NON-CORROSIVE,FITS MOST PLATE TYPE HUMIDIFIERS
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 4520-00-450-9581?
NSN 4520-00-450-9581 is a Plate,humidifier, manufactured by General Filters Inc, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-00-450-9581?
NSN 4520-00-450-9581 has 1 manufacturer part number on file: 880 (General Filters Inc).
What are the specifications of 880?
Key specifications for 880: General Characteristics Item Description: FUSED FIBERGLASS,HEAT RESISTANT AND NON-CORROSIVE,FITS MOST PLATE TYPE HUMIDIFIERS. 1 specification is documented in the U.S. Government catalog.
Is NSN 4520-00-450-9581 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.