PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49677Valve,reducing

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-146-4223 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-146-4223 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-146-4223. Primary manufacturer part number: 49677.
Features
  • Valve,reducing — FSC 2825
  • 13 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,reducing, cataloged under National Stock Number 2825-00-146-4223, is classified within Federal Supply Class 2825 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. This item has 13 commercial cross-references from 3 manufacturers, 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
NSN2825-00-146-4223
Primary Part Number49677
Item NameValve,reducing
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-336-1715 INTERCHANGEABLE
Seal,plain Encased
5310-01-417-104049677 INTERCHANGEABLE
Washer,flat
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5110-01-530-437049677 INTERCHANGEABLE
Blade,compass Saw
Ridge Tool Company
Cross-Reference Index
Part NumberManufacturer
49677 Westinghouse Electric Corp Sturtevant Div (USA)
D15-518SPC695 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-518WPC695 Westinghouse Electric Corp (USA)
49677 Westinghouse Electric Corp (USA)
D15-518APC695 Westinghouse Electric Corp (USA)
D15-518APC695 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-518UPC695 Westinghouse Electric Corp (USA)
D15-518UPC695 Northrop Grumman Systems Corporation Div Marine Systems (USA)
49677 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-518SPC695 Westinghouse Electric Corp (USA)
D15-518VPC695 Westinghouse Electric Corp (USA)
D15-518VPC695 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-518WPC695 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5330-00-336-1715INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-01-417-1040INTERCHANGEABLE
WASHER,FLAT
49677
5110-01-530-4370INTERCHANGEABLE
BLADE,COMPASS SAW
49677

Frequently Asked Questions

What is NSN 2825-00-146-4223?

NSN 2825-00-146-4223 is a Valve,reducing, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 2825 (No Item Name Available). Status: active.

What are the part numbers for NSN 2825-00-146-4223?

NSN 2825-00-146-4223 has 13 cross-referenced part numbers: 49677 (Westinghouse Electric Corp Sturtevant Div), D15-518SPC695 (Northrop Grumman Systems Corporation Div Marine Systems), D15-518WPC695 (Westinghouse Electric Corp), 49677 (Westinghouse Electric Corp), D15-518APC695 (Westinghouse Electric Corp) and 8 more.

What NSN replaces 2825-00-146-4223?

There are 3 known substitutes for 2825-00-146-4223: 5330-00-336-1715, 5310-01-417-1040, 5110-01-530-4370. Verify interchangeability with system specifications before substitution.

What are the specifications of 49677?

Key specifications for 49677: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 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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