PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B25998Valve,regulating,fluid Pressure

Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division · NSN 4820-01-451-7379 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-451-7379 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-451-7379. Primary manufacturer part number: B25998.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-451-7379, 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 Pneumatic Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-451-7379
Primary Part NumberB25998
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-912-5835309-1519-000 INTERCHANGEABLE
Bearing,ball,annular
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
B25998 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division (USA)
Related Parts
3110-00-912-5835INTERCHANGEABLE
BEARING,BALL,ANNULAR
309-1519-000

Frequently Asked Questions

What is NSN 4820-01-451-7379?

NSN 4820-01-451-7379 is a Valve,regulating,fluid Pressure, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-451-7379?

NSN 4820-01-451-7379 has 1 cross-referenced part number: B25998 (Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division).

What NSN replaces 4820-01-451-7379?

There is 1 known substitute for 4820-01-451-7379: 3110-00-912-5835. Verify interchangeability with system specifications before substitution.

What are the specifications of B25998?

Key specifications for B25998: End Item Identification: USNS STALWART CLASS TAGOS; Special Features: 0-10 BAR. 2 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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