PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21234-001Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-422-0268 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-422-0268 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-422-0268. Primary manufacturer part number: 21234-001.
Features
  • Valve,linear,directional Control — FSC 4820
  • Spool Position Quantity: 1
  • Flow Pattern Quantity: 4
  • Valve Operation Method: AUTOMATIC
  • Body Material: ALUMINUM ALLOY 6061
  • Spool Quantity: 1
  • End Connection Quantity: 2
  • Valve Discharge Flow Rate: 10.0 GALLONS PER MINUTE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-422-0268, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4820-01-422-0268
Primary Part Number21234-001
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 Position Quantity1
Flow Pattern Quantity4
Valve Operation MethodAUTOMATIC
Body MaterialALUMINUM ALLOY 6061
Spool Quantity1
End Connection Quantity2
Valve Discharge Flow Rate10.0 GALLONS PER MINUTE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5110-00-186-6693 INTERCHANGEABLE
Reamer,hand
5365-00-202-167121234 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace Llc
5330-00-286-7059 INTERCHANGEABLE
Seal,plain Encased
6685-00-487-461347B50 INTERCHANGEABLE
Indicator,temperature,electrical
Horizon Aerospace Llc Dba Magnetics Division
5310-00-550-436922ND16-02 INTERCHANGEABLE
Nut,self-Locking,spline
Esna, Llc
3120-00-575-589721-234 INTERCHANGEABLE
Bearing Half,sleeve
Dresser Industries Inc Waukesha Engine Div
5330-00-591-270921234 INTERCHANGEABLE
Packing,preformed
Industrial Technologies and Services Llc
6685-01-377-6378 INTERCHANGEABLE
Gage,pressure,dial Indicating
4820-01-418-707721234-1010-2 INTERCHANGEABLE
Flange,gland,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-422-027121234-1010-1 INTERCHANGEABLE
Flange,gland,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21234-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21234 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
211032589 Naval Sea Systems Command (USA)
Related Parts
5110-00-186-6693INTERCHANGEABLE
REAMER,HAND
5365-00-202-1671INTERCHANGEABLE
SPACER,SLEEVE
21234
5330-00-286-7059INTERCHANGEABLE
SEAL,PLAIN ENCASED
6685-00-487-4613INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
47B50
5310-00-550-4369INTERCHANGEABLE
NUT,SELF-LOCKING,SPLINE
22ND16-02
3120-00-575-5897INTERCHANGEABLE
BEARING HALF,SLEEVE
21-234
5330-00-591-2709INTERCHANGEABLE
PACKING,PREFORMED
21234
6685-01-377-6378INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4820-01-418-7077INTERCHANGEABLE
FLANGE,GLAND,VALVE
21234-1010-2
4820-01-422-0271INTERCHANGEABLE
FLANGE,GLAND,VALVE
21234-1010-1
4820-01-422-0272INTERCHANGEABLE
STEM,NEEDLE VALVE
21234-1009-1
4820-01-422-0294INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21234-850-1

Frequently Asked Questions

What is NSN 4820-01-422-0268?

NSN 4820-01-422-0268 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 4820-01-422-0268?

NSN 4820-01-422-0268 has 3 cross-referenced part numbers: 21234-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21234 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 211032589 (Naval Sea Systems Command).

What NSN replaces 4820-01-422-0268?

There are 12 known substitutes for 4820-01-422-0268: 5110-00-186-6693, 5365-00-202-1671, 5330-00-286-7059 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21234-001?

Key specifications for 21234-001: Spool Position Quantity: 1; Flow Pattern Quantity: 4; Valve Operation Method: AUTOMATIC; End Item Identification: SEAWOLF CLASS SSN. 8 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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