PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50041Damper,flue

Gaylord Marine Services, Inc. · NSN 4520-01-621-1603 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-621-1603 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-621-1603. Primary manufacturer part number: 50041.
Features
  • Damper,flue — FSC 4520
  • 3 verified cross-references
  • Primary manufacturer: Gaylord Marine Services, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Damper,flue, cataloged under National Stock Number 4520-01-621-1603, 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.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4520-01-621-1603
Primary Part Number50041
Item NameDamper,flue
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerGaylord Marine Services, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1680-00-098-23555004-1 INTERCHANGEABLE
Tube End Rod Assy
Transdigm Inc
5815-00-228-6711SC-C-69992-20 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-351-6356C400L231 INTERCHANGEABLE
Gasket
Sealcraft Corporation
5340-00-352-8627Y400S231 INTERCHANGEABLE
Disk,solid,plain
Sealcraft Corporation
5330-00-477-8952945870 INTERCHANGEABLE
Gasket Set
Am General Llc
2805-00-848-22662806270 INTERCHANGEABLE
Oil Pump Assembly,engine
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-880-31002-3427-22 INTERCHANGEABLE
Bushing,sleeve
Tactair Fluid Controls Inc Western Hydraulics Div
5962-00-932-13702557970-1 INTERCHANGEABLE
Microcircuit,linear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6520-01-027-0345 INTERCHANGEABLE
Bur,denture Trimming
4240-01-250-2261 INTERCHANGEABLE
Respirator,air Filtering
Cross-Reference Index
Part NumberManufacturer
50041 PRIMARY Gaylord Marine Services, Inc. (USA)
501-8507640 ITEM NO 7 Naval Sea Systems Command (USA)
DIV-03-11-11-SS-24V-R Gaylord Marine Services, Inc. (USA)
Related Parts
1680-00-098-2355INTERCHANGEABLE
TUBE END ROD ASSY
5004-1
5815-00-228-6711INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-20
5330-00-351-6356INTERCHANGEABLE
GASKET
C400L231
5340-00-352-8627INTERCHANGEABLE
DISK,SOLID,PLAIN
Y400S231
5330-00-477-8952INTERCHANGEABLE
GASKET SET
945870
2805-00-848-2266INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
2806270
3120-00-880-3100INTERCHANGEABLE
BUSHING,SLEEVE
2-3427-22
5962-00-932-1370INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2557970-1
6520-01-027-0345INTERCHANGEABLE
BUR,DENTURE TRIMMING
4240-01-250-2261INTERCHANGEABLE
RESPIRATOR,AIR FILTERING

Frequently Asked Questions

What is NSN 4520-01-621-1603?

NSN 4520-01-621-1603 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 4520-01-621-1603?

NSN 4520-01-621-1603 has 3 cross-referenced part numbers: 50041 (Gaylord Marine Services, Inc.), 501-8507640 ITEM NO 7 (Naval Sea Systems Command), DIV-03-11-11-SS-24V-R (Gaylord Marine Services, Inc.).

What NSN replaces 4520-01-621-1603?

There are 10 known substitutes for 4520-01-621-1603: 1680-00-098-2355, 5815-00-228-6711, 5330-00-351-6356 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50041?

Key specifications for 50041: Part Name Assigned by Controlling Agency: DAMPER,DIVERTING,ELECTRIC MOTORIZED. 1 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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