PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50021Damper,flue

Gaylord Marine Services, Inc. · NSN 4520-01-606-2982 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-606-2982 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-606-2982. Primary manufacturer part number: 50021.
Features
  • Damper,flue — FSC 4520
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Gaylord Marine Services, Inc.
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Damper,flue, cataloged under National Stock Number 4520-01-606-2982, 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 Gaylord Marine Services, Inc.. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-606-2982
Primary Part Number50021
Item NameDamper,flue
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerGaylord Marine Services, Inc.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6210-00-060-7321 INTERCHANGEABLE
Light,marker,aircraft Obstructio
3110-00-195-1064108924 INTERCHANGEABLE
Retainer and Balls,bearing
Hyster-Yale Group, Inc.
5820-00-200-591650021 INTERCHANGEABLE
Holder Assembly
Apw Electronic Solutions
5133-00-335-5380 INTERCHANGEABLE
Extension,chuck,dri
2915-00-486-074150021 INTERCHANGEABLE
Tube Assy-Eng Primi
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5330-00-579-257350-021 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5330-00-599-5132 INTERCHANGEABLE
Seal,plain Encased
1680-00-766-827450021-1 INTERCHANGEABLE
Parts Kit,actuator,
Meggitt North Hollywood Inc
5325-00-837-2256500-21 INTERCHANGEABLE
Ring,retaining
Fl Industries Inc Pneumotive Div
4920-00-874-2581 INTERCHANGEABLE
Adapter
Cross-Reference Index
Part NumberManufacturer
50021 PRIMARY Gaylord Marine Services, Inc. (USA)
Related Parts
6210-00-060-7321INTERCHANGEABLE
LIGHT,MARKER,AIRCRAFT OBSTRUCTIO
3110-00-195-1064INTERCHANGEABLE
RETAINER AND BALLS,BEARING
108924
5820-00-200-5916INTERCHANGEABLE
HOLDER ASSEMBLY
50021
5133-00-335-5380INTERCHANGEABLE
EXTENSION,CHUCK,DRI
2915-00-486-0741INTERCHANGEABLE
TUBE ASSY-ENG PRIMI
50021
5330-00-579-2573INTERCHANGEABLE
GASKET
50-021
5330-00-599-5132INTERCHANGEABLE
SEAL,PLAIN ENCASED
1680-00-766-8274INTERCHANGEABLE
PARTS KIT,ACTUATOR,
50021-1
5325-00-837-2256INTERCHANGEABLE
RING,RETAINING
500-21
4920-00-874-2581INTERCHANGEABLE
ADAPTER
6240-01-357-5904INTERCHANGEABLE
LAMP,INCANDESCENT
50021
5331-01-597-3441INTERCHANGEABLE
O-RING
50021

Frequently Asked Questions

What is NSN 4520-01-606-2982?

NSN 4520-01-606-2982 is a Damper,flue, manufactured by Gaylord Marine Services, Inc., classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-606-2982?

NSN 4520-01-606-2982 has 1 cross-referenced part number: 50021 (Gaylord Marine Services, Inc.).

What NSN replaces 4520-01-606-2982?

There are 12 known substitutes for 4520-01-606-2982: 6210-00-060-7321, 3110-00-195-1064, 5820-00-200-5916 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50021?

Key specifications for 50021: Overall Width: 16.0 INCHES NOMINAL IN; Overall Height: 6.0 INCHES NOMINAL IN; Special Features: VOLTAGE: 440 VAC; FREQUENCY: 60 HZ VAC; Overall Length: 16.0 INCHES NOMINAL IN. 7 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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