PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22111-1Piston,valve

Hydraulics International, Inc. Dba Hydraulics International Inc · NSN 4820-01-192-6791 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-192-6791 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-192-6791. Primary manufacturer part number: 22111-1.
Features
  • Piston,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Hydraulics International, Inc. Dba Hydraulics International Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-192-6791, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-192-6791
Primary Part Number22111-1
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHydraulics International, Inc. Dba Hydraulics International Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6110-00-635-852122111-1 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
4730-00-959-9855221111 INTERCHANGEABLE
Restrictor Unit,fluid Flow
Marotta Controls Inc
5935-01-429-325722111-1 INTERCHANGEABLE
Connector Assembly,electrical
Breeze-Eastern Llc
Cross-Reference Index
Part NumberManufacturer
22111-1 PRIMARY Hydraulics International, Inc. Dba Hydraulics International Inc (USA)
Related Parts
6110-00-635-8521INTERCHANGEABLE
STARTER,MOTOR
22111-1
4730-00-959-9855INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
221111
5935-01-429-3257INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
22111-1

Frequently Asked Questions

What is NSN 4820-01-192-6791?

NSN 4820-01-192-6791 is a Piston,valve, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-192-6791?

NSN 4820-01-192-6791 has 1 cross-referenced part number: 22111-1 (Hydraulics International, Inc. Dba Hydraulics International Inc).

What NSN replaces 4820-01-192-6791?

There are 3 known substitutes for 4820-01-192-6791: 6110-00-635-8521, 4730-00-959-9855, 5935-01-429-3257. Verify interchangeability with system specifications before substitution.

What are the specifications of 22111-1?

Key specifications for 22111-1: End Item Identification: 4920010943875. 1 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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