PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17683Damper,flue

Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating · NSN 4520-01-227-3049 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-227-3049 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-227-3049. Primary manufacturer part number: 17683.
Features
  • Damper,flue — FSC 4520
  • Shape: RECTANGULAR
  • Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
  • 2 verified cross-references
  • Primary manufacturer: Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Damper,flue, cataloged under National Stock Number 4520-01-227-3049, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-227-3049
Primary Part Number17683
Item NameDamper,flue
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating
StatusACTIVE
ShapeRECTANGULAR
Reference Number Differentiating CharacteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5110-00-233-9717 INTERCHANGEABLE
Rasp,hand
5950-00-299-785117683 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
1620-00-474-1202I7683 INTERCHANGEABLE
Packing
Vibratech Inc
5962-01-123-7988932820-48 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5340-01-406-637117683 INTERCHANGEABLE
Holder,spring
Haskel International, Llc Dba Haskel International, Llc
Cross-Reference Index
Part NumberManufacturer
17683 Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating (USA)
17683VM Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5110-00-233-9717INTERCHANGEABLE
RASP,HAND
5950-00-299-7851INTERCHANGEABLE
TRANSFORMER,POWER
17683
1620-00-474-1202INTERCHANGEABLE
PACKING
I7683
5962-01-123-7988INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932820-48
5340-01-406-6371INTERCHANGEABLE
HOLDER,SPRING
17683

Frequently Asked Questions

What is NSN 4520-01-227-3049?

NSN 4520-01-227-3049 is a Damper,flue, manufactured by Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-227-3049?

NSN 4520-01-227-3049 has 2 cross-referenced part numbers: 17683 (Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating), 17683VM (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4520-01-227-3049?

There are 5 known substitutes for 4520-01-227-3049: 5110-00-233-9717, 5950-00-299-7851, 1620-00-474-1202 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17683?

Key specifications for 17683: Shape: RECTANGULAR; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION; Overall Width: 34.500 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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