PartsTable TECHNICAL DATA SHEET
NSN 4520-01-561-5919Government record, cited

Damper, Flue4520-01-561-5919

NSN 4520-01-561-5919 · NIIN 015615919 · Part number VDCR-53-6IN
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 4520-01-561-5919 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-561-5919. Manufacturer of record part number: VDCR-53-6IN.
Also searched as  4520-01-561-5919 · 4520015615919 · NIIN 015615919 · 01-561-5919 · FSC 4520 Space and Water Heating Equipment · CAGE 51704 · VDCR-53-6IN
Nearby stock numbers  ·
Features
  • Damper,flue — FSC 4520
  • 1 manufacturer part number on file
  • Manufacturer of record: Greenheck Fan Corporation Dba Greenheck Fan Corp
Identification
  • NSN: 4520-01-561-5919
  • NIIN: 015615919
  • FSC: 4520 — Space and Water Heating Equipment
  • FSG: 45 — Plumbing, Heating, and Waste Disposal
  • Primary part number: VDCR-53-6IN
  • Manufacturer: Greenheck Fan Corporation Dba Greenheck Fan Corp
General Description

The Damper,flue, cataloged under National Stock Number 4520-01-561-5919, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-561-5919
Primary Part NumberVDCR-53-6IN
Item NameDamper,flue
FSC / FSG4520 / 45 — Space and Water Heating Equipment
ManufacturerGreenheck Fan Corporation Dba Greenheck Fan Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
VDCR-53-6IN PRIMARY Greenheck Fan Corporation Dba Greenheck Fan Corp (USA)
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 4520-01-561-5919?

NSN 4520-01-561-5919 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 4520-01-561-5919?

NSN 4520-01-561-5919 has 1 manufacturer part number on file: VDCR-53-6IN (Greenheck Fan Corporation Dba Greenheck Fan Corp).

What are the specifications of VDCR-53-6IN?

Key specifications for VDCR-53-6IN: Part Name Assigned by Controlling Agency: RADIATION DAMPER, VENTILATION; End Item Identification: DAMPER, VENT, 6IN DIAMETER VCDR-53-6IN IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4520-01-561-5919 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.
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