PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

345-4Valve,check

Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division · NSN 4820-01-055-5469 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-055-5469 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-055-5469. Primary manufacturer part number: 345-4.
Features
  • Valve,check — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-055-5469, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (CAGE 09990); Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (CAGE 82271)
Technical Specifications
ParameterValue
NSN4820-01-055-5469
Primary Part Number345-4
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5999-00-138-25283454-1 INTERCHANGEABLE
Module,panel Contro
Wing Corp
5930-00-153-49163454 INTERCHANGEABLE
Switch,pressure
Altec Air, Llc Dba Altec Llc
5325-00-291-0812 INTERCHANGEABLE
Grommet,nonmetallic
4320-00-394-31193454 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
5910-01-080-9973120525005 INTERCHANGEABLE
Capacitor,fixed,metallized,paper
Eaton Corporation
5998-01-220-178762404-250 INTERCHANGEABLE
Electronic Components Assembly
Dynalec Corporation
5120-01-335-81193454 INTERCHANGEABLE
Adapter,socket Wrench
Wright Tool Co
2520-01-398-19983-4-54-1 INTERCHANGEABLE
Yoke,universal Joint,vehicular
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
2920-01-498-43913454 INTERCHANGEABLE
Modulator Assembly,ignition
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
5340-01-545-294913027970 INTERCHANGEABLE
Thread Protector,ba
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Cross-Reference Index
Part NumberManufacturer
345-4 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division (USA)
1656338PC2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
345-4 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division (USA)
Related Parts
5999-00-138-2528INTERCHANGEABLE
MODULE,PANEL CONTRO
3454-1
5930-00-153-4916INTERCHANGEABLE
SWITCH,PRESSURE
3454
5325-00-291-0812INTERCHANGEABLE
GROMMET,NONMETALLIC
4320-00-394-3119INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
3454
5910-01-080-9973INTERCHANGEABLE
CAPACITOR,FIXED,METALLIZED,PAPER
120525005
5998-01-220-1787INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
62404-250
5120-01-335-8119INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
3454
2520-01-398-1998INTERCHANGEABLE
YOKE,UNIVERSAL JOINT,VEHICULAR
3-4-54-1
2920-01-498-4391INTERCHANGEABLE
MODULATOR ASSEMBLY,IGNITION
3454
5340-01-545-2949INTERCHANGEABLE
THREAD PROTECTOR,BA
13027970
6515-01-549-6457INTERCHANGEABLE
PLUG,EAR
EP3-LPR

Frequently Asked Questions

What is NSN 4820-01-055-5469?

NSN 4820-01-055-5469 is a Valve,check, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-055-5469?

NSN 4820-01-055-5469 has 3 cross-referenced part numbers: 345-4 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division), 1656338PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 345-4 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division).

What NSN replaces 4820-01-055-5469?

There are 11 known substitutes for 4820-01-055-5469: 5999-00-138-2528, 5930-00-153-4916, 5325-00-291-0812 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com