PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20824-004Valve Assembly

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-233-5499 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-233-5499 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-5499. Primary manufacturer part number: 20824-004.
Features
  • Valve Assembly — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-233-5499, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assembly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062)
Technical Specifications
ParameterValue
NSN4820-01-233-5499
Primary Part Number20824-004
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-185-443920824-400 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-369-5146 INTERCHANGEABLE
Cap,valve
4820-01-369-5147 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
20824-004 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
4820-01-185-4439INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
20824-400
4820-01-369-5146INTERCHANGEABLE
CAP,VALVE
4820-01-369-5147INTERCHANGEABLE
CAP,VALVE

Frequently Asked Questions

What is NSN 4820-01-233-5499?

NSN 4820-01-233-5499 is a Valve Assembly, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-233-5499?

NSN 4820-01-233-5499 has 1 cross-referenced part number: 20824-004 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-233-5499?

There are 3 known substitutes for 4820-01-233-5499: 4820-01-185-4439, 4820-01-369-5146, 4820-01-369-5147. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com