PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7903Spindle W Tappet

Northrop Grumman Systems Corporation Div Marine Systems · NSN 2825-00-446-9239 · FSC 2825 · No Item Name Available
Verified by PartsTable
NSN 2825-00-446-9239 — this item is cataloged by the U.S. Government under National Stock Number 2825-00-446-9239. Primary manufacturer part number: 7903.
Features
  • Spindle W Tappet — FSC 2825
  • 50 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 Spindle W Tappet, cataloged under National Stock Number 2825-00-446-9239, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpindle W Tappet
FSC / FSG2825 — No Item Name Available (FSG 28)
ManufacturersWestinghouse Electric Corp (CAGE 79500); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099)
Technical Specifications
ParameterValue
NSN2825-00-446-9239
Primary Part Number7903
Item NameSpindle W Tappet
FSC / FSG2825 / 28 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-071-2079B1821BH050C400N INTERCHANGEABLE
Screw,cap,hexagon Head
American National Standards Institute Incorporated Dba American National Standards Institute
3455-00-131-623712610 INTERCHANGEABLE
Cutter,milling,angle
Niagara Cutter Inc
5905-00-238-25487903 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Triplett (bluffton) Corporation Dba Lfe Instruments
5905-00-407-0082 INTERCHANGEABLE
Resistor,fixed,composition
5360-00-527-14137903 INTERCHANGEABLE
Spring,helical,compression
Cooper Machinery Services Llc
3110-00-555-4114111727 INTERCHANGEABLE
Bearing,ball,annular
Ge Aviation Systems Llc
5950-00-647-69931203 INTERCHANGEABLE
Transformer,audio Frequency
Dietz Design Inc
5975-01-014-9100J1096 INTERCHANGEABLE
Clamp,suspension
Joslyn Corp
5998-01-224-7505 INTERCHANGEABLE
Circuit Card Assembly
6210-01-617-77927903 INTERCHANGEABLE
Lens,light
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
D15-597QPC714-715-720 Westinghouse Electric Corp (USA)
D15-631RPC701T0703 Westinghouse Electric Corp (USA)
D15-413XPC649-650-655 Westinghouse Electric Corp (USA)
D15-6990PC781T0783-794 Westinghouse Electric Corp (USA)
D15-640QPC701T0703 Westinghouse Electric Corp (USA)
D15-518VPC561T0563 Westinghouse Electric Corp (USA)
D15-790PPC649-650-655 Westinghouse Electric Corp (USA)
D15-678BPC509-510-515 Westinghouse Electric Corp (USA)
D15-694BPC714-715-720 Westinghouse Electric Corp (USA)
D15-494QPC701T0703 Westinghouse Electric Corp (USA)
7903 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-770BPC649-650-655 Westinghouse Electric Corp (USA)
7903 Westinghouse Electric Corp (USA)
D15-651KPC781T0783-794 Westinghouse Electric Corp (USA)
D15-646PPC649-650-655 Westinghouse Electric Corp (USA)
D15-699UPC781T0783-794 Westinghouse Electric Corp (USA)
D15-694PPC714-715-720 Westinghouse Electric Corp (USA)
D15-640KPC701T0703 Westinghouse Electric Corp (USA)
D15-413SPC649-650-655 Westinghouse Electric Corp (USA)
D15-518WPC561T0563 Westinghouse Electric Corp (USA)
Related Parts
5305-00-071-2079INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
B1821BH050C400N
3455-00-131-6237INTERCHANGEABLE
CUTTER,MILLING,ANGLE
12610
5905-00-238-2548INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
7903
5905-00-407-0082INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5360-00-527-1413INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7903
3110-00-555-4114INTERCHANGEABLE
BEARING,BALL,ANNULAR
111727
5950-00-647-6993INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1203
5975-01-014-9100INTERCHANGEABLE
CLAMP,SUSPENSION
J1096
5998-01-224-7505INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6210-01-617-7792INTERCHANGEABLE
LENS,LIGHT
7903

Frequently Asked Questions

What is NSN 2825-00-446-9239?

NSN 2825-00-446-9239 is a Spindle W Tappet, 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 2825-00-446-9239?

NSN 2825-00-446-9239 has 50 cross-referenced part numbers: D15-597QPC714-715-720 (Westinghouse Electric Corp), D15-631RPC701T0703 (Westinghouse Electric Corp), D15-413XPC649-650-655 (Westinghouse Electric Corp), D15-6990PC781T0783-794 (Westinghouse Electric Corp), D15-640QPC701T0703 (Westinghouse Electric Corp) and 45 more.

What NSN replaces 2825-00-446-9239?

There are 10 known substitutes for 2825-00-446-9239: 5305-00-071-2079, 3455-00-131-6237, 5905-00-238-2548 and 7 more. Verify interchangeability with system specifications before substitution.

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