PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4979Shaft,turbine and P

Westinghouse Electric Corp · NSN 3040-00-389-8577 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-389-8577 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-389-8577. Primary manufacturer part number: 4979.
Features
  • Shaft,turbine and P — FSC 3040
  • 2 verified cross-references
  • Primary manufacturer: Westinghouse Electric Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft,turbine and P, cataloged under National Stock Number 3040-00-389-8577, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Westinghouse Electric Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft,turbine and P
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersWestinghouse Electric Corp (CAGE 79500); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099)
Technical Specifications
ParameterValue
NSN3040-00-389-8577
Primary Part Number4979
Item NameShaft,turbine and P
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-143-8609CH500 INTERCHANGEABLE
Coil,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5930-00-796-8845 INTERCHANGEABLE
Switch,lever
5940-01-118-14824979 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5935-01-254-48734979 INTERCHANGEABLE
Connector,receptacle,electrical
Fluke Electronics Corp
3030-01-497-67764979 INTERCHANGEABLE
Belt,v
Gta Marine Dba Gta Marine
Cross-Reference Index
Part NumberManufacturer
4979 PRIMARY Westinghouse Electric Corp (USA)
4979 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5950-00-143-8609INTERCHANGEABLE
COIL,RADIO FREQUENCY
CH500
5930-00-796-8845INTERCHANGEABLE
SWITCH,LEVER
5940-01-118-1482INTERCHANGEABLE
TERMINAL,LUG
4979
5935-01-254-4873INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4979
3030-01-497-6776INTERCHANGEABLE
BELT,V
4979

Frequently Asked Questions

What is NSN 3040-00-389-8577?

NSN 3040-00-389-8577 is a Shaft,turbine and P, manufactured by Westinghouse Electric Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-389-8577?

NSN 3040-00-389-8577 has 2 cross-referenced part numbers: 4979 (Westinghouse Electric Corp), 4979 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 3040-00-389-8577?

There are 5 known substitutes for 3040-00-389-8577: 5950-00-143-8609, 5930-00-796-8845, 5940-01-118-1482 and 2 more. Verify interchangeability with system specifications before substitution.

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