PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21308Control,damper

Gaylord Marine Services, Inc. · NSN 4930-01-528-9562 · FSC 4930 · No Item Name Available
Verified by PartsTable
NSN 4930-01-528-9562 — this item is cataloged by the U.S. Government under National Stock Number 4930-01-528-9562. Primary manufacturer part number: 21308.
Features
  • Control,damper — FSC 4930
  • 2 verified cross-references
  • Primary manufacturer: Gaylord Marine Services, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Control,damper, cataloged under National Stock Number 4930-01-528-9562, is classified within Federal Supply Class 4930 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Gaylord Marine Services, Inc.. This item has 2 commercial cross-references 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.

Catalog Facts
Item NameControl,damper
FSC / FSG4930 — No Item Name Available (FSG 49)
ManufacturersGaylord Marine Services, Inc. (CAGE 1T1B2)
Technical Specifications
ParameterValue
NSN4930-01-528-9562
Primary Part Number21308
Item NameControl,damper
FSC / FSG4930 / 49 — No Item Name Available
ManufacturerGaylord Marine Services, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-243-4815 INTERCHANGEABLE
Valve,y
5999-00-422-849121-308 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
9540-00-585-7202 INTERCHANGEABLE
Angle,structural
6145-00-643-2107 INTERCHANGEABLE
Cable,radio Frequency
2910-00-930-16577016001 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
5950-01-015-885621308 INTERCHANGEABLE
Transformer,power
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
3120-01-272-327521308 INTERCHANGEABLE
Bearing,sleeve
Parker Hannifin Corp Dba Pneutronics
4810-01-430-415521308-1004-1 INTERCHANGEABLE
Sleeve,drive,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-430-416121308-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-469-266821308-001 INTERCHANGEABLE
Valve,dir Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
NM-03-24 ITEM 1 Gaylord Marine Services, Inc. (USA)
21308 PRIMARY Gaylord Marine Services, Inc. (USA)
Related Parts
4820-00-243-4815INTERCHANGEABLE
VALVE,Y
5999-00-422-8491INTERCHANGEABLE
CONTACT,ELECTRICAL
21-308
9540-00-585-7202INTERCHANGEABLE
ANGLE,STRUCTURAL
6145-00-643-2107INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2910-00-930-1657INTERCHANGEABLE
CARBURETOR,FLOAT
7016001
5950-01-015-8856INTERCHANGEABLE
TRANSFORMER,POWER
21308
3120-01-272-3275INTERCHANGEABLE
BEARING,SLEEVE
21308
4810-01-430-4155INTERCHANGEABLE
SLEEVE,DRIVE,VALVE
21308-1004-1
4810-01-430-4161INTERCHANGEABLE
PISTON,VALVE
21308-1003-1
4820-01-469-2668INTERCHANGEABLE
VALVE,DIR CONTROL
21308-001
1005-01-503-0020INTERCHANGEABLE
SLING
21308

Frequently Asked Questions

What is NSN 4930-01-528-9562?

NSN 4930-01-528-9562 is a Control,damper, manufactured by Gaylord Marine Services, Inc., classified under FSC 4930 (No Item Name Available). Status: active.

What are the part numbers for NSN 4930-01-528-9562?

NSN 4930-01-528-9562 has 2 cross-referenced part numbers: NM-03-24 ITEM 1 (Gaylord Marine Services, Inc.), 21308 (Gaylord Marine Services, Inc.).

What NSN replaces 4930-01-528-9562?

There are 11 known substitutes for 4930-01-528-9562: 4820-00-243-4815, 5999-00-422-8491, 9540-00-585-7202 and 8 more. Verify interchangeability with system specifications before substitution.

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