PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31111Damper,flue

Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating · NSN 4520-01-486-7758 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-486-7758 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-486-7758. Primary manufacturer part number: 31111.
Features
  • Damper,flue — FSC 4520
  • Shape: ROUND
  • Material: STEEL
  • Mounting Method: INSERTED CENTER SHAFT
  • Operation Method: AUTOMATIC
  • 1 verified cross-reference
  • Primary manufacturer: Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating
Applications
  • Applications requiring Steel construction
General Description

The Damper,flue, cataloged under National Stock Number 4520-01-486-7758, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-486-7758
Primary Part Number31111
Item NameDamper,flue
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerMestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating
StatusACTIVE
ShapeROUND
MaterialSTEEL
Mounting MethodINSERTED CENTER SHAFT
Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4810-00-121-053531111 INTERCHANGEABLE
Plunger,solenoid Valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
3220-00-204-245531-120 INTERCHANGEABLE
Sander,disk
Major Corp
5136-00-239-277665729 INTERCHANGEABLE
Die,thread Cutting
Tapco Cutting Tools Inc
6210-00-548-016012Z7502-14 INTERCHANGEABLE
Lens,light
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-868-258431104 INTERCHANGEABLE
Gasket,spiral Wound
Flowserve Inc
5945-01-025-036831111 INTERCHANGEABLE
Solenoid,electrical
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-01-135-857831111 INTERCHANGEABLE
Transformer
Ross Laboratories, Inc.
4130-01-204-560131111 INTERCHANGEABLE
Control,ice Level
Wilshire Corp
3460-01-331-6751 INTERCHANGEABLE
Holder,turret Tool
5340-01-368-8715 INTERCHANGEABLE
Plug,protective,dust and Moistur
Cross-Reference Index
Part NumberManufacturer
31111 Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating (USA)
Related Parts
4810-00-121-0535INTERCHANGEABLE
PLUNGER,SOLENOID VALVE
31111
3220-00-204-2455INTERCHANGEABLE
SANDER,DISK
31-120
5136-00-239-2776INTERCHANGEABLE
DIE,THREAD CUTTING
65729
6210-00-548-0160INTERCHANGEABLE
LENS,LIGHT
12Z7502-14
5330-00-868-2584INTERCHANGEABLE
GASKET,SPIRAL WOUND
31104
5945-01-025-0368INTERCHANGEABLE
SOLENOID,ELECTRICAL
31111
5950-01-135-8578INTERCHANGEABLE
TRANSFORMER
31111
4130-01-204-5601INTERCHANGEABLE
CONTROL,ICE LEVEL
31111
3460-01-331-6751INTERCHANGEABLE
HOLDER,TURRET TOOL
5340-01-368-8715INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
3040-01-414-0402INTERCHANGEABLE
SHAFT,STRAIGHT
31111

Frequently Asked Questions

What is NSN 4520-01-486-7758?

NSN 4520-01-486-7758 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 4520-01-486-7758?

NSN 4520-01-486-7758 has 1 cross-referenced part number: 31111 (Mestek, Inc. Dba American Warming & Ventilating Division Div American Warming and Ventilating).

What NSN replaces 4520-01-486-7758?

There are 11 known substitutes for 4520-01-486-7758: 4810-00-121-0535, 3220-00-204-2455, 5136-00-239-2776 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31111?

Key specifications for 31111: Overall Depth: 8.000 INCHES NOMINAL IN; Shape: ROUND; Material: STEEL; End Item Identification: HIGH VELOCITY FAN MODEL VC-563. 8 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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