PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21820Q5Valve,linear,directional Control

Naval Inventory Control Point Mechanicsburg · NSN 4810-01-544-3952 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-544-3952 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-544-3952. Primary manufacturer part number: 21820Q5.
Features
  • Valve,linear,directional Control — FSC 4810
  • 4 verified cross-references
  • Primary manufacturer: Naval Inventory Control Point Mechanicsburg
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4810-01-544-3952, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,linear,directional Control
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersNaval Inventory Control Point Mechanicsburg (CAGE 03950); Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062)
Technical Specifications
ParameterValue
NSN4810-01-544-3952
Primary Part Number21820Q5
Item NameValve,linear,directional Control
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5977-00-006-6386 INTERCHANGEABLE
Brush,electrical Contact
5310-00-167-1355 INTERCHANGEABLE
Nut,plain,hexagon
4730-00-359-0431F3511 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4810-01-480-875421820 FN 14 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21820Q5 Naval Inventory Control Point Mechanicsburg (USA)
21820 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21820-001Q5 Naval Inventory Control Point Mechanicsburg (USA)
21820-001 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5977-00-006-6386INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5310-00-167-1355INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4730-00-359-0431INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
F3511
4810-01-480-8754INTERCHANGEABLE
PISTON,VALVE
21820 FN 14

Frequently Asked Questions

What is NSN 4810-01-544-3952?

NSN 4810-01-544-3952 is a Valve,linear,directional Control, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-544-3952?

NSN 4810-01-544-3952 has 4 cross-referenced part numbers: 21820Q5 (Naval Inventory Control Point Mechanicsburg), 21820 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21820-001Q5 (Naval Inventory Control Point Mechanicsburg), 21820-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-544-3952?

There are 4 known substitutes for 4810-01-544-3952: 5977-00-006-6386, 5310-00-167-1355, 4730-00-359-0431 and 1 more. Verify interchangeability with system specifications before substitution.

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