PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

283416-1Piston,valve

Triumph Actuation Systems - Connecticut, Llc · NSN 4820-00-925-4733 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-925-4733 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-925-4733. Primary manufacturer part number: 283416-1.
Features
  • Piston,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 Piston,valve, cataloged under National Stock Number 4820-00-925-4733, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersTriumph Actuation Systems - Connecticut, Llc (CAGE 33068)
Technical Specifications
ParameterValue
NSN4820-00-925-4733
Primary Part Number283416-1
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Actuation Systems - Connecticut, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6625-00-501-83432834161 INTERCHANGEABLE
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
283416-1 PRIMARY Triumph Actuation Systems - Connecticut, Llc (USA)
Related Parts
6625-00-501-8343INTERCHANGEABLE
VOLTMETER
2834161

Frequently Asked Questions

What is NSN 4820-00-925-4733?

NSN 4820-00-925-4733 is a Piston,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 4820-00-925-4733?

NSN 4820-00-925-4733 has 1 cross-referenced part number: 283416-1 (Triumph Actuation Systems - Connecticut, Llc).

What NSN replaces 4820-00-925-4733?

There is 1 known substitute for 4820-00-925-4733: 6625-00-501-8343. Verify interchangeability with system specifications before substitution.

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