NSN 4520-01-674-3772 · NIIN 016743772 · Part number S2100-0016
Greenheck Fan Corporation Dba Greenheck Fan Corp · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 51704
Government record, cited
NSN 4520-01-674-3772 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-674-3772. Manufacturer of record part number: S2100-0016.
Also searched as4520-01-674-3772 ·
4520016743772 ·
NIIN 016743772 ·
01-674-3772 ·
FSC 4520 Space and Water Heating Equipment · CAGE 51704 · S2100-0016 · S2100-0016 REV 3
Manufacturer of record: Greenheck Fan Corporation Dba Greenheck Fan Corp
Identification
NSN: 4520-01-674-3772
NIIN: 016743772
FSC: 4520 — Space and Water Heating Equipment
FSG: 45 — Plumbing, Heating, and Waste Disposal
Primary part number: S2100-0016
Manufacturer: Greenheck Fan Corporation Dba Greenheck Fan Corp
General Description
The Damper,flue, cataloged under National Stock Number 4520-01-674-3772, 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 Greenheck Fan Corporation Dba Greenheck Fan Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Damper,flue
FSC / FSG
4520 — Space and Water Heating Equipment (FSG 45)
Manufacturers
Greenheck Fan Corporation Dba Greenheck Fan Corp (CAGE 51704)
Greenheck Fan Corporation Dba Greenheck Fan Corp (USA)
Reference documents
Reference
Meaning
S2100-0016 REV 3
D/9Drawing number reference only
Greenheck Fan Corporation Dba Greenheck Fan Corp
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 4520-01-674-3772?
NSN 4520-01-674-3772 is a Damper,flue, manufactured by Greenheck Fan Corporation Dba Greenheck Fan Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-674-3772?
NSN 4520-01-674-3772 has 1 manufacturer part number on file: S2100-0016 (Greenheck Fan Corporation Dba Greenheck Fan Corp).
Is NSN 4520-01-674-3772 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.