PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81023Stem,needle Valve

Pneudraulics, Inc. · NSN 4820-01-225-0471 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-225-0471 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-225-0471. Primary manufacturer part number: 81023.
Features
  • Stem,needle Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,needle Valve, cataloged under National Stock Number 4820-01-225-0471, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,needle Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersPneudraulics, Inc. (CAGE 06177)
Technical Specifications
ParameterValue
NSN4820-01-225-0471
Primary Part Number81023
Item NameStem,needle Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6930-00-211-238981023 INTERCHANGEABLE
Chassis Assembly,re
Cae Usa Inc.
5930-00-655-1923 INTERCHANGEABLE
Switch,toggle
5962-01-119-2963 INTERCHANGEABLE
Microcircuit,linear
5962-01-198-0262 INTERCHANGEABLE
Microcircuit,linear
5962-01-217-4199 INTERCHANGEABLE
Microcircuit,linear
5962-01-255-5376 INTERCHANGEABLE
Microcircuit,linear
5945-01-268-18278-1023 INTERCHANGEABLE
Relay,electromagnetic
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5962-01-277-4555 INTERCHANGEABLE
Microcircuit,linear
5962-01-376-1630 INTERCHANGEABLE
Microcircuit,linear
5962-01-408-0604 INTERCHANGEABLE
Microcircuit,linear
Cross-Reference Index
Part NumberManufacturer
81023 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
6930-00-211-2389INTERCHANGEABLE
CHASSIS ASSEMBLY,RE
81023
5930-00-655-1923INTERCHANGEABLE
SWITCH,TOGGLE
5962-01-119-2963INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-198-0262INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-217-4199INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-255-5376INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5945-01-268-1827INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8-1023
5962-01-277-4555INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-376-1630INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-408-0604INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5962-01-499-4394INTERCHANGEABLE
MICROCIRCUIT,LINEAR
6515-01-714-1240INTERCHANGEABLE
IMPLANT,MESH,SURGICAL
81023

Frequently Asked Questions

What is NSN 4820-01-225-0471?

NSN 4820-01-225-0471 is a Stem,needle Valve, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-225-0471?

NSN 4820-01-225-0471 has 1 cross-referenced part number: 81023 (Pneudraulics, Inc.).

What NSN replaces 4820-01-225-0471?

There are 12 known substitutes for 4820-01-225-0471: 6930-00-211-2389, 5930-00-655-1923, 5962-01-119-2963 and 9 more. Verify interchangeability with system specifications before substitution.

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