PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21301-002Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-419-0521 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-419-0521 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-419-0521. Primary manufacturer part number: 21301-002.
Features
  • Valve,linear,directional Control — FSC 4810
  • Operating Pressure and Type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Maximum Operating Temp and Media for Which Designed: 50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC
  • Body Material: ALUMINUM ALLOY 6061
  • Frequency in Hertz: 0.0 AND 400.0
  • Voltage in Volts and Current Type: 122.0 AC
  • Valve Operation Method: HYDRAULIC AND SOLENOID
  • End Connection Quantity: 4
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-419-0521, 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. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-419-0521
Primary Part Number21301-002
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
Operating Pressure and Type3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Maximum Operating Temp and Media for Which Designed50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC
Body MaterialALUMINUM ALLOY 6061
Frequency in Hertz0.0 AND 400.0
Voltage in Volts and Current Type122.0 AC
Valve Operation MethodHYDRAULIC AND SOLENOID
End Connection Quantity4
Current Rating in Amps140.0 AND 250.0
Valve Discharge Flow Rate30.0 GALLONS PER MINUTE
Furnished Items and Quantity1 PILOT VALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3895-00-163-238521-301 INTERCHANGEABLE
Support,scraper Blade
Komatsu America Corporation
5120-00-222-162021301 INTERCHANGEABLE
Clamp,c
Wilton Corp Wilton Tool Div
5999-00-501-785221-301 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5950-00-645-52192130-1 INTERCHANGEABLE
Transformer,audio Frequency
Electronic Transformer Corp Div Electronic Transformer Corporation
2835-00-654-675721301 INTERCHANGEABLE
Terminal Block,console
Solar Turbines Incorporated Dba Solar Turbines Incorporated
6230-01-027-32932130-1 INTERCHANGEABLE
Light,extension
Control Products Corporation
5945-01-095-390021-301 INTERCHANGEABLE
Relay,solid State
Te Connectivity Corporation
4320-01-189-696621301 INTERCHANGEABLE
Mounting Flange
Parker Hannifin Corporation Div Hydraulic Systems Division
7520-01-413-506026032 INTERCHANGEABLE
Tray,pen and Pencil
Officemate Intl Corp
1005-01-503-002321301 INTERCHANGEABLE
Bore,brush
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21301 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21301-002 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3895-00-163-2385INTERCHANGEABLE
SUPPORT,SCRAPER BLADE
21-301
5120-00-222-1620INTERCHANGEABLE
CLAMP,C
21301
5999-00-501-7852INTERCHANGEABLE
CONTACT,ELECTRICAL
21-301
5950-00-645-5219INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2130-1
2835-00-654-6757INTERCHANGEABLE
TERMINAL BLOCK,CONSOLE
21301
6230-01-027-3293INTERCHANGEABLE
LIGHT,EXTENSION
2130-1
5945-01-095-3900INTERCHANGEABLE
RELAY,SOLID STATE
21-301
4320-01-189-6966INTERCHANGEABLE
MOUNTING FLANGE
21301
7520-01-413-5060INTERCHANGEABLE
TRAY,PEN AND PENCIL
26032
1005-01-503-0023INTERCHANGEABLE
BORE,BRUSH
21301
6510-01-591-7740INTERCHANGEABLE
DRESSING,HEMOSTATIC
1090

Frequently Asked Questions

What is NSN 4810-01-419-0521?

NSN 4810-01-419-0521 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 4810-01-419-0521?

NSN 4810-01-419-0521 has 2 cross-referenced part numbers: 21301 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21301-002 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-419-0521?

There are 11 known substitutes for 4810-01-419-0521: 3895-00-163-2385, 5120-00-222-1620, 5999-00-501-7852 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21301-002?

Key specifications for 21301-002: Operating Pressure and Type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDRAULIC FLUID, PETROLEUM BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; End Item Identification: WEAPONS SYSTEM JG, SEAWOLF CLASS SSN; Maximum Operating Temp and Media for Which Designed: 50.0 CELSIUS HYDRAULIC FLUID, PETROLEUM BASE DEGC; Body Material: ALUMINUM ALLOY 6061. 12 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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