PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21329-001Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-414-9336 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-414-9336 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-9336. Primary manufacturer part number: 21329-001.
Features
  • Valve,linear,directional Control — FSC 4820
  • Spool Quantity: 1
  • Operating Pressure and Type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Body Material: ALUMINUM ALLOY
  • Valve Discharge Flow Rate: 6.0 GALLONS PER MINUTE
  • Valve Operation Method: HYDRAULIC
  • 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 4820-01-414-9336, 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. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-414-9336
Primary Part Number21329-001
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Spool Quantity1
Operating Pressure and Type3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Body MaterialALUMINUM ALLOY
Valve Discharge Flow Rate6.0 GALLONS PER MINUTE
Valve Operation MethodHYDRAULIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-496-659521-329 INTERCHANGEABLE
Bushing,sleeve
Dresser Industries Inc Leroi Div
1680-00-700-8371S6140-61105 INTERCHANGEABLE
Grip Assembly,controller,aircraf
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5325-00-912-5818 INTERCHANGEABLE
Ring,retaining
4720-01-297-849921329 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4730-01-413-960221317-1018-6 INTERCHANGEABLE
Restrictor,fluid Flow
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-414-411121330-1007-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-414-799321001-1004-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-414-799902-0077-125 INTERCHANGEABLE
Ball,check
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-415-102521329-1001-1 INTERCHANGEABLE
Shaft,straight
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-415-734121329-1003-1 INTERCHANGEABLE
Flange,gland,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21329-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21329 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3120-00-496-6595INTERCHANGEABLE
BUSHING,SLEEVE
21-329
1680-00-700-8371INTERCHANGEABLE
GRIP ASSEMBLY,CONTROLLER,AIRCRAF
S6140-61105
5325-00-912-5818INTERCHANGEABLE
RING,RETAINING
4720-01-297-8499INTERCHANGEABLE
HOSE,PREFORMED
21329
4730-01-413-9602INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
21317-1018-6
3040-01-414-4111INTERCHANGEABLE
SHAFT,SHOULDERED
21330-1007-1
4820-01-414-7993INTERCHANGEABLE
PISTON,VALVE
21001-1004-1
4820-01-414-7999INTERCHANGEABLE
BALL,CHECK
02-0077-125
3040-01-415-1025INTERCHANGEABLE
SHAFT,STRAIGHT
21329-1001-1
4810-01-415-7341INTERCHANGEABLE
FLANGE,GLAND,VALVE
21329-1003-1
4810-01-415-8831INTERCHANGEABLE
RETAINER,DISK,VALVE
21001-1010-1
4730-01-496-9716INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
21317-1018-11

Frequently Asked Questions

What is NSN 4820-01-414-9336?

NSN 4820-01-414-9336 is a Valve,linear,directional Control, 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 4820-01-414-9336?

NSN 4820-01-414-9336 has 2 cross-referenced part numbers: 21329-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21329 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-414-9336?

There are 12 known substitutes for 4820-01-414-9336: 3120-00-496-6595, 1680-00-700-8371, 5325-00-912-5818 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21329-001?

Key specifications for 21329-001: Spool Quantity: 1; Operating Pressure and Type: 3000.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Body Material: ALUMINUM ALLOY; End Item Identification: SEAWOLF CLASS SSN. 6 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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