PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21825-001Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-545-4202 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-545-4202 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-545-4202. Primary manufacturer part number: 21825-001.
Features
  • Valve,linear,directional Control — FSC 4810
  • 2 verified cross-references
  • 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,linear,directional Control, cataloged under National Stock Number 4810-01-545-4202, is classified within Federal Supply Class 4810 (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 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN4810-01-545-4202
Primary Part Number21825-001
Item NameValve,linear,directional Control
FSC / FSG4810 / 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 12
5935-00-222-73221278908 INTERCHANGEABLE
Dummy Connector,receptacle
Naval Ship Systems Command
2530-00-273-850410A8804 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Napco International Llc Dba Napco International Inc
5950-00-521-939621825 INTERCHANGEABLE
Transformer,pulse
Freed Transformer Co
5950-00-765-123521825 INTERCHANGEABLE
Transformer,power
Torotel, Inc. Div Torotel Products, Inc.
1620-00-977-27662182-5 INTERCHANGEABLE
Filter,spool
Goodrich Aerospace Canada Ltd
5930-01-032-448621825 INTERCHANGEABLE
Switch,pull
Itw Food Equipment Group Llc Dba Gaylord Industries
5998-01-074-2468 INTERCHANGEABLE
Circuit Card Assembly
3020-01-218-2173218-25001 INTERCHANGEABLE
Chain,silent
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5962-01-330-162721-825 INTERCHANGEABLE
Microcircuit,digital
Palomar Products, Inc.
6240-01-344-9535 INTERCHANGEABLE
Lamp,fluorescent
Cross-Reference Index
Part NumberManufacturer
21825 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21825-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5935-00-222-7322INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
1278908
2530-00-273-8504INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
10A8804
5950-00-521-9396INTERCHANGEABLE
TRANSFORMER,PULSE
21825
5950-00-765-1235INTERCHANGEABLE
TRANSFORMER,POWER
21825
1620-00-977-2766INTERCHANGEABLE
FILTER,SPOOL
2182-5
5930-01-032-4486INTERCHANGEABLE
SWITCH,PULL
21825
5998-01-074-2468INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3020-01-218-2173INTERCHANGEABLE
CHAIN,SILENT
218-25001
5962-01-330-1627INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
21-825
6240-01-344-9535INTERCHANGEABLE
LAMP,FLUORESCENT
5315-01-469-2660INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4820-01-715-8854INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL

Frequently Asked Questions

What is NSN 4810-01-545-4202?

NSN 4810-01-545-4202 is a Valve,linear,directional Control, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-545-4202?

NSN 4810-01-545-4202 has 2 cross-referenced part numbers: 21825 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21825-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-545-4202?

There are 12 known substitutes for 4810-01-545-4202: 5935-00-222-7322, 2530-00-273-8504, 5950-00-521-9396 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21825-001?

Key specifications for 21825-001: End Item Identification: VALVE CONT HYD 3000PSI ALUM; Part Name Assigned by Controlling Agency: (INAVY)VALVE ASSY, SIZE 1. 2 total characteristics are documented in the Federal Logistics Information System.

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