PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-509BPC521Block,nozzle

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-446-9051 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-446-9051 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-446-9051. Primary manufacturer part number: D15-509BPC521.
Features
  • Block,nozzle — FSC 2825
  • 11 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Block,nozzle, cataloged under National Stock Number 2825-00-446-9051, 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 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2825-00-446-9051
Primary Part NumberD15-509BPC521
Item NameBlock,nozzle
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-327-63623517 INTERCHANGEABLE
Transformer,power,s
Danfoss Inc
5310-00-347-00063517 INTERCHANGEABLE
Washer,split
Parker Hannifin Corp Dba Pneutronics
3020-00-609-922924177 INTERCHANGEABLE
Gear Cluster
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5315-01-274-10393517 INTERCHANGEABLE
Key,machine
Coffin Turbo Pump Inc
4730-01-366-55463517 INTERCHANGEABLE
Tee,pipe
DP Manufacturing Inc.
6750-01-527-55763517 INTERCHANGEABLE
Film,photographic
Spex Certiprep Inc
5999-01-681-27233517 INTERCHANGEABLE
Clip,electrical
Keystone Electronics Corp
5305-01-701-52903517 INTERCHANGEABLE
Screw,cap,socket Head
Lebus International, Inc.
Cross-Reference Index
Part NumberManufacturer
D15-509BPC521 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
3517 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-509UPC521 Westinghouse Electric Corp (USA)
3517 Westinghouse Electric Corp Sturtevant Div (USA)
D15-509IPC521 Westinghouse Electric Corp (USA)
D15-509WPC521 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-509WPC521 Westinghouse Electric Corp (USA)
D15-509IPC521 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
3517 Westinghouse Electric Corp (USA)
D15-509BPC521 Westinghouse Electric Corp (USA)
D15-509UPC521 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5950-00-327-6362INTERCHANGEABLE
TRANSFORMER,POWER,S
3517
5310-00-347-0006INTERCHANGEABLE
WASHER,SPLIT
3517
3020-00-609-9229INTERCHANGEABLE
GEAR CLUSTER
24177
5315-01-274-1039INTERCHANGEABLE
KEY,MACHINE
3517
4730-01-366-5546INTERCHANGEABLE
TEE,PIPE
3517
6750-01-527-5576INTERCHANGEABLE
FILM,PHOTOGRAPHIC
3517
5999-01-681-2723INTERCHANGEABLE
CLIP,ELECTRICAL
3517
5305-01-701-5290INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
3517

Frequently Asked Questions

What is NSN 2825-00-446-9051?

NSN 2825-00-446-9051 is a Block,nozzle, 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 2825-00-446-9051?

NSN 2825-00-446-9051 has 11 cross-referenced part numbers: D15-509BPC521 (Northrop Grumman Systems Corporation Div Marine Systems), 3517 (Northrop Grumman Systems Corporation Div Marine Systems), D15-509UPC521 (Westinghouse Electric Corp), 3517 (Westinghouse Electric Corp Sturtevant Div), D15-509IPC521 (Westinghouse Electric Corp) and 6 more.

What NSN replaces 2825-00-446-9051?

There are 8 known substitutes for 2825-00-446-9051: 5950-00-327-6362, 5310-00-347-0006, 3020-00-609-9229 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-509BPC521?

Key specifications for D15-509BPC521: 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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