PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300094Valve,regulating,fluid Pressure

Parker-Hannifin Corporation Div Hydraulic Accumulator Division · NSN 4820-01-183-1579 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-183-1579 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-183-1579. Primary manufacturer part number: 300094.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Connection Type: THREADED INTERNAL PIPE
  • First End Style Designator: PLAIN
  • Thread Size and Series/type Designator: L1/4-18 UNF SECOND END
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • Second End Thread Direction: RIGHT-HAND
  • Second End Relationship with First End: NOT IDENTICAL
  • Second End Connection Type: THREADED EXTERNAL PIPE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-183-1579, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Div Hydraulic Accumulator Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-183-1579
Primary Part Number300094
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Hydraulic Accumulator Division
StatusACTIVE
First End Connection TypeTHREADED INTERNAL PIPE
First End Style DesignatorPLAIN
Thread Size and Series/type DesignatorL1/4-18 UNF SECOND END
Thread Size and Series/type Designator1/4-18 NPT FIRST END
Second End Thread DirectionRIGHT-HAND
Second End Relationship with First EndNOT IDENTICAL
Second End Connection TypeTHREADED EXTERNAL PIPE
First End Thread DirectionRIGHT-HAND
End Connection Quantity2
MaterialSTEEL CORROSION RESISTING BODY
Second End Style DesignatorPLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5945-00-062-2502 INTERCHANGEABLE
Relay,electromagnetic
4730-00-684-4343556 INTERCHANGEABLE
Chuck,air,inflating
Schrader-Bridgeport International Inc Dba Schrader Automotive
5935-00-850-148157-30240 INTERCHANGEABLE
Connector,plug,electrical
Cinch Connectivity Solutions Inc.
3120-01-309-4840300094 INTERCHANGEABLE
Bushing,sleeve
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5998-01-357-0524300094 INTERCHANGEABLE
Printed Circuit Board
Bae Systems Information and Electronic Systems Integration Inc.
4820-01-656-164230.009.4 INTERCHANGEABLE
Valve,ball
Trident Emergency Products, Llc
Cross-Reference Index
Part NumberManufacturer
ZL-556 Parker Hannifin Corporation Dba Schraeder Bellows Div Pneumatic Division (USA)
ZL-556 Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
300094 PRIMARY Parker-Hannifin Corporation Div Hydraulic Accumulator Division (USA)
5525616 Naval Sea Systems Command (USA)
Related Parts
5945-00-062-2502INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4730-00-684-4343INTERCHANGEABLE
CHUCK,AIR,INFLATING
556
5935-00-850-1481INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
57-30240
3120-01-309-4840INTERCHANGEABLE
BUSHING,SLEEVE
300094
5998-01-357-0524INTERCHANGEABLE
PRINTED CIRCUIT BOARD
300094
4820-01-656-1642INTERCHANGEABLE
VALVE,BALL
30.009.4

Frequently Asked Questions

What is NSN 4820-01-183-1579?

NSN 4820-01-183-1579 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Div Hydraulic Accumulator Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-183-1579?

NSN 4820-01-183-1579 has 4 cross-referenced part numbers: ZL-556 (Parker Hannifin Corporation Dba Schraeder Bellows Div Pneumatic Division), ZL-556 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division), 300094 (Parker-Hannifin Corporation Div Hydraulic Accumulator Division), 5525616 (Naval Sea Systems Command).

What NSN replaces 4820-01-183-1579?

There are 6 known substitutes for 4820-01-183-1579: 5945-00-062-2502, 4730-00-684-4343, 5935-00-850-1481 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300094?

Key specifications for 300094: First End Connection Type: THREADED INTERNAL PIPE; First End Style Designator: PLAIN; Thread Size and Series/type Designator: L1/4-18 UNF SECOND END; Thread Size and Series/type Designator: 1/4-18 NPT FIRST END. 11 total characteristics are documented in the Federal Logistics Information System.

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