PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43553-1Valve,regulating,fluid Pressure

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 4820-01-658-0031 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-658-0031 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-658-0031. Primary manufacturer part number: 43553-1.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-658-0031, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City (CAGE 07070)
Technical Specifications
ParameterValue
NSN4820-01-658-0031
Primary Part Number43553-1
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1315-00-028-4434 INTERCHANGEABLE
Cartridge,90 Millimeter
5950-01-215-40544028576 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
43553 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
43553-1 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
1315-00-028-4434INTERCHANGEABLE
CARTRIDGE,90 MILLIMETER
5950-01-215-4054INTERCHANGEABLE
TRANSFORMER,POWER
4028576

Frequently Asked Questions

What is NSN 4820-01-658-0031?

NSN 4820-01-658-0031 is a Valve,regulating,fluid Pressure, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-658-0031?

NSN 4820-01-658-0031 has 2 cross-referenced part numbers: 43553 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 43553-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 4820-01-658-0031?

There are 2 known substitutes for 4820-01-658-0031: 1315-00-028-4434, 5950-01-215-4054. Verify interchangeability with system specifications before substitution.

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