PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20003-1Seat,valve

Triumph Actuation Systems - Connecticut, Llc · NSN 4820-00-923-7983 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-923-7983 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-923-7983. Primary manufacturer part number: 20003-1.
Features
  • Seat,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Triumph Actuation Systems - Connecticut, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-923-7983, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Actuation Systems - Connecticut, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersTriumph Actuation Systems - Connecticut, Llc (CAGE 33068)
Technical Specifications
ParameterValue
NSN4820-00-923-7983
Primary Part Number20003-1
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Actuation Systems - Connecticut, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5910-00-164-751810238 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
4140-00-481-2665 INTERCHANGEABLE
Impeller,fan,centrifugal
5330-00-559-8539 INTERCHANGEABLE
Gasket
4140-00-640-6810 INTERCHANGEABLE
Impeller,fan,centrifugal
5330-01-380-7519200031-001 INTERCHANGEABLE
Gasket
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
4810-01-393-988720003 ASSY 1 INTERCHANGEABLE
Actuator,electromechanical,rotar
Morpac Industries, Inc Div Actuator
8040-01-433-8344200031 INTERCHANGEABLE
Adhesive
Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems
6515-01-624-714820-0031 INTERCHANGEABLE
Resupply Pack,triage Management
North American Rescue, Llc
1560-01-681-085320003.1 INTERCHANGEABLE
Floor,aircraft
Kenjer Industries
Cross-Reference Index
Part NumberManufacturer
20003-1 PRIMARY Triumph Actuation Systems - Connecticut, Llc (USA)
Related Parts
5910-00-164-7518INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10238
4140-00-481-2665INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
5330-00-559-8539INTERCHANGEABLE
GASKET
4140-00-640-6810INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
5330-01-380-7519INTERCHANGEABLE
GASKET
200031-001
4810-01-393-9887INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
20003 ASSY 1
8040-01-433-8344INTERCHANGEABLE
ADHESIVE
200031
6515-01-624-7148INTERCHANGEABLE
RESUPPLY PACK,TRIAGE MANAGEMENT
20-0031
1560-01-681-0853INTERCHANGEABLE
FLOOR,AIRCRAFT
20003.1

Frequently Asked Questions

What is NSN 4820-00-923-7983?

NSN 4820-00-923-7983 is a Seat,valve, manufactured by Triumph Actuation Systems - Connecticut, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-923-7983?

NSN 4820-00-923-7983 has 1 cross-referenced part number: 20003-1 (Triumph Actuation Systems - Connecticut, Llc).

What NSN replaces 4820-00-923-7983?

There are 9 known substitutes for 4820-00-923-7983: 5910-00-164-7518, 4140-00-481-2665, 5330-00-559-8539 and 6 more. Verify interchangeability with system specifications before substitution.

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