PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

D15-673MPC406-431Seat W Nut

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-446-9419 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-446-9419 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-446-9419. Primary manufacturer part number: D15-673MPC406-431.
Features
  • Seat W Nut — FSC 2825
  • 50 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Seat W Nut, cataloged under National Stock Number 2825-00-446-9419, 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 50 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameSeat W Nut
FSC / FSG2825 — No Item Name Available (FSG 28)
ManufacturersNorthrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Sturtevant Div (CAGE 80231); Westinghouse Electric Corp (CAGE 79500)
Technical Specifications
ParameterValue
NSN2825-00-446-9419
Primary Part NumberD15-673MPC406-431
Item NameSeat W Nut
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
D15-673MPC406-431 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
9400 Westinghouse Electric Corp Sturtevant Div (USA)
D15-785HPC650-667 Westinghouse Electric Corp (USA)
D15-664-0PC650-669 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-782QPC406-431 Westinghouse Electric Corp (USA)
D15-785HPC650-667 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-592MPC650-669 Westinghouse Electric Corp (USA)
D15-664APC650-669 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-665KPC650-669 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-772MPC406-431 Westinghouse Electric Corp (USA)
D15-496KPC650-66 Westinghouse Electric Corp (USA)
D15-543MPC650-669 Westinghouse Electric Corp (USA)
D15-543APC650-669 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-782PPC406-431 Westinghouse Electric Corp (USA)
D15-772NPC406-431 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-673NPC406-431 Westinghouse Electric Corp (USA)
D15-765HPC650-669 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-496APC650-66 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-664MPC650-669 Westinghouse Electric Corp (USA)
D15-617MPC650-669 Westinghouse Electric Corp (USA)
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Frequently Asked Questions

What is NSN 2825-00-446-9419?

NSN 2825-00-446-9419 is a Seat W Nut, 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 2825-00-446-9419?

NSN 2825-00-446-9419 has 50 cross-referenced part numbers: D15-673MPC406-431 (Northrop Grumman Systems Corporation Div Marine Systems), 9400 (Westinghouse Electric Corp Sturtevant Div), D15-785HPC650-667 (Westinghouse Electric Corp), D15-664-0PC650-669 (Northrop Grumman Systems Corporation Div Marine Systems), D15-782QPC406-431 (Westinghouse Electric Corp) and 45 more.

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