PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21065-851-1Valve,linear,directional Control

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-421-0023 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-421-0023 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-421-0023. Primary manufacturer part number: 21065-851-1.
Features
  • Valve,linear,directional Control — FSC 4810
  • 3 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 4810-01-421-0023, 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 3 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
NSN4810-01-421-0023
Primary Part Number21065-851-1
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
5305-00-297-796721065 INTERCHANGEABLE
Screw,drive
Honeywell Inc Residential Div
4940-00-948-002421065 INTERCHANGEABLE
Spreader,coil,pneumatic
General Electric Co Electrical Distribution and Control
6630-01-043-679421065 INTERCHANGEABLE
Filter Assembly,hyd
Mirion Technologies (canberra), Inc.
7035-01-100-597321065 INTERCHANGEABLE
Mounting Block
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5940-01-102-4798T-2080-0010P INTERCHANGEABLE
Terminal,lug
Gc/waldom Inc
5305-01-211-3094 INTERCHANGEABLE
Screw,machine
4720-01-219-172310026519 INTERCHANGEABLE
Hose,preformed
General Motors Llc Dba General Motors Llc
3040-01-413-402221065 INTERCHANGEABLE
Shaft,straight
New Venture Gear Inc New Process Gear Div
4810-01-421-002021065-003 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-421-002121065-002 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21065 FIND 2 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21065-851-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21065 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5305-00-297-7967INTERCHANGEABLE
SCREW,DRIVE
21065
4940-00-948-0024INTERCHANGEABLE
SPREADER,COIL,PNEUMATIC
21065
6630-01-043-6794INTERCHANGEABLE
FILTER ASSEMBLY,HYD
21065
7035-01-100-5973INTERCHANGEABLE
MOUNTING BLOCK
21065
5940-01-102-4798INTERCHANGEABLE
TERMINAL,LUG
T-2080-0010P
5305-01-211-3094INTERCHANGEABLE
SCREW,MACHINE
4720-01-219-1723INTERCHANGEABLE
HOSE,PREFORMED
10026519
3040-01-413-4022INTERCHANGEABLE
SHAFT,STRAIGHT
21065
4810-01-421-0020INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-003
4810-01-421-0021INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-002
4810-01-421-0022INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-001
4820-01-587-5583INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21065-007

Frequently Asked Questions

What is NSN 4810-01-421-0023?

NSN 4810-01-421-0023 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 4810-01-421-0023?

NSN 4810-01-421-0023 has 3 cross-referenced part numbers: 21065 FIND 2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21065-851-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21065 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-421-0023?

There are 12 known substitutes for 4810-01-421-0023: 5305-00-297-7967, 4940-00-948-0024, 6630-01-043-6794 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21065-851-1?

Key specifications for 21065-851-1: End Item Identification: LOS ANGELES CLASS SSN (688); Special Features: CARTRIDGE TYPE. 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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