PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21201-001Q5Valve,linear,directional Control

Naval Inventory Control Point Mechanicsburg · NSN 4820-01-696-3871 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-696-3871 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-696-3871. Primary manufacturer part number: 21201-001Q5.
Features
  • Valve,linear,directional Control — FSC 4820
  • 3 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 4820-01-696-3871, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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.

Catalog Facts
Item NameValve,linear,directional Control
FSC / FSG4820 — 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
NSN4820-01-696-3871
Primary Part Number21201-001Q5
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-258-2079652372 INTERCHANGEABLE
Terminal,lug
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5975-00-267-277697T075 INTERCHANGEABLE
Coupling,electrical Conduit
Egs Electrical Group Appleton Div
5310-00-282-954221201 INTERCHANGEABLE
Nut,plain,hexagon
Dresser, Llc
5310-00-486-521421201 INTERCHANGEABLE
Nut,plain,hexagon
Falls Filtration Technologies, Inc.
2915-00-931-296521201 INTERCHANGEABLE
Cover,relief Valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4510-01-116-16192120-1 INTERCHANGEABLE
Holder,water Tumbler
Charles a Starr Company Inc Dba Charles a Starr Company Inc
3040-01-188-326121201 INTERCHANGEABLE
Weight,counterbalance
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4720-01-246-804121201 INTERCHANGEABLE
Hose,preformed
Gates Corporation
5330-01-350-046721201 INTERCHANGEABLE
Gasket
Hf Scientific Inc.
4820-01-417-940721201-1004-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21201-001Q5 Naval Inventory Control Point Mechanicsburg (USA)
21201-001 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21201 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5940-00-258-2079INTERCHANGEABLE
TERMINAL,LUG
652372
5975-00-267-2776INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
97T075
5310-00-282-9542INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21201
5310-00-486-5214INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21201
2915-00-931-2965INTERCHANGEABLE
COVER,RELIEF VALVE
21201
4510-01-116-1619INTERCHANGEABLE
HOLDER,WATER TUMBLER
2120-1
3040-01-188-3261INTERCHANGEABLE
WEIGHT,COUNTERBALANCE
21201
4720-01-246-8041INTERCHANGEABLE
HOSE,PREFORMED
21201
5330-01-350-0467INTERCHANGEABLE
GASKET
21201
4820-01-417-9407INTERCHANGEABLE
PISTON,VALVE
21201-1004-1
4820-01-418-0043INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21201-001
3040-01-424-2612INTERCHANGEABLE
SHAFT,SHOULDERED
21201-1005-1

Frequently Asked Questions

What is NSN 4820-01-696-3871?

NSN 4820-01-696-3871 is a Valve,linear,directional Control, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-696-3871?

NSN 4820-01-696-3871 has 3 cross-referenced part numbers: 21201-001Q5 (Naval Inventory Control Point Mechanicsburg), 21201-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21201 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-696-3871?

There are 12 known substitutes for 4820-01-696-3871: 5940-00-258-2079, 5975-00-267-2776, 5310-00-282-9542 and 9 more. Verify interchangeability with system specifications before substitution.

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