PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21834-001Valve Assembly

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-711-0052 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-711-0052 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-711-0052. Primary manufacturer part number: 21834-001.
Features
  • Valve Assembly — FSC 4820
  • 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 Assembly, cataloged under National Stock Number 4820-01-711-0052, 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. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assembly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062); Meggitt North Hollywood Inc (CAGE 79318); Naval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
ParameterValue
NSN4820-01-711-0052
Primary Part Number21834-001
Item NameValve Assembly
FSC / FSG4820 / 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 9
4730-00-230-939521834 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Triumph Controls, Llc Dba Triumph Controls, Llc
5310-00-424-324321834 INTERCHANGEABLE
Washer,flat
Mitsubishi Caterpillar Forklift America, Inc
2520-00-562-07061K2811 INTERCHANGEABLE
Collar,clutch Shift
Caterpillar Inc Div Caterpillar Defense
5325-01-239-934821834 INTERCHANGEABLE
Ring,retaining
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
5340-01-418-851621834 INTERCHANGEABLE
Plate,mounting
Elbitamerica, Inc.
4810-01-488-549421834-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-495-257521185-1003-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5360-01-495-389721834 FIND 20 INTERCHANGEABLE
Spring,helical,compression
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5306-01-707-736021834-FIND NO-57 INTERCHANGEABLE
Bolt,internal Wrenching
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21834-001 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21834 Meggitt North Hollywood Inc (USA)
21834-001Q5 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
4730-00-230-9395INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
21834
5310-00-424-3243INTERCHANGEABLE
WASHER,FLAT
21834
2520-00-562-0706INTERCHANGEABLE
COLLAR,CLUTCH SHIFT
1K2811
5325-01-239-9348INTERCHANGEABLE
RING,RETAINING
21834
5340-01-418-8516INTERCHANGEABLE
PLATE,MOUNTING
21834
4810-01-488-5494INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21834-001
4810-01-495-2575INTERCHANGEABLE
PISTON,VALVE
21185-1003-1
5360-01-495-3897INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21834 FIND 20
5306-01-707-7360INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
21834-FIND NO-57

Frequently Asked Questions

What is NSN 4820-01-711-0052?

NSN 4820-01-711-0052 is a Valve Assembly, 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 4820-01-711-0052?

NSN 4820-01-711-0052 has 3 cross-referenced part numbers: 21834-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21834 (Meggitt North Hollywood Inc), 21834-001Q5 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-01-711-0052?

There are 9 known substitutes for 4820-01-711-0052: 4730-00-230-9395, 5310-00-424-3243, 2520-00-562-0706 and 6 more. Verify interchangeability with system specifications before substitution.

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