PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-631RPC780Gear,oil Pump Idler

Northrop Grumman Systems Corporation Div Marine Systems · NSN 3020-00-148-1895 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-148-1895 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-148-1895. Primary manufacturer part number: D15-631RPC780.
Features
  • Gear,oil Pump Idler — FSC 3020
  • 50 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear,oil Pump Idler, cataloged under National Stock Number 3020-00-148-1895, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,oil Pump Idler
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersWestinghouse Electric Corp (CAGE 79500); Northrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Control Business Unit (CAGE 11660)
Technical Specifications
ParameterValue
NSN3020-00-148-1895
Primary Part NumberD15-631RPC780
Item NameGear,oil Pump Idler
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-204-5758127001 INTERCHANGEABLE
Clip,electrical
Littelfuse, Inc.
4510-00-216-5426 INTERCHANGEABLE
Rod,tank Float,water Closet
5960-00-248-3090 INTERCHANGEABLE
Electron Tube
5935-00-259-75167599662 INTERCHANGEABLE
Connector,receptacle,electrical
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
2910-00-354-5028 INTERCHANGEABLE
Bowl,sediment
2805-00-364-4947005902 INTERCHANGEABLE
Counterweight
Caterpillar Inc Div Caterpillar Defense
5960-00-929-12565902 INTERCHANGEABLE
Electron Tube
Raytheon Company Dba Raytheon Co
8115-00-935-59025902 INTERCHANGEABLE
Box,shipping
Loye Keesee Dba Keesee Box Company Div Government Resource Pkg Prod
5985-01-037-7352SM-A-718671-3 INTERCHANGEABLE
Waveguide Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6630-01-058-744721W0020 INTERCHANGEABLE
Test Set,water Turbidity and Col
Ward's Natural Science Establishment Inc
Cross-Reference Index
Part NumberManufacturer
D15-680UPC609 Westinghouse Electric Corp (USA)
D15-631RPC780 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680XPC609 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-631BPC780 Westinghouse Electric Corp (USA)
D15-680BPC609 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680BPC609 Westinghouse Electric Corp (USA)
D15-631LPC780 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-704PPC880 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-651BPC880 Westinghouse Electric Corp (USA)
5902 Westinghouse Electric Corp Control Business Unit
D15-640LPC780 Westinghouse Electric Corp (USA)
D15-631QPC780 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-631MPC780 Westinghouse Electric Corp (USA)
D15-640QPC780 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-699RPC910 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-494PPC780 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-704PPC880 Westinghouse Electric Corp (USA)
D15-509RPC910 Westinghouse Electric Corp (USA)
D15-699VPC880 Westinghouse Electric Corp (USA)
D15-651MPC880 Westinghouse Electric Corp (USA)
Related Parts
5999-00-204-5758INTERCHANGEABLE
CLIP,ELECTRICAL
127001
4510-00-216-5426INTERCHANGEABLE
ROD,TANK FLOAT,WATER CLOSET
5960-00-248-3090INTERCHANGEABLE
ELECTRON TUBE
5935-00-259-7516INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7599662
2910-00-354-5028INTERCHANGEABLE
BOWL,SEDIMENT
2805-00-364-4947INTERCHANGEABLE
COUNTERWEIGHT
005902
5960-00-929-1256INTERCHANGEABLE
ELECTRON TUBE
5902
8115-00-935-5902INTERCHANGEABLE
BOX,SHIPPING
5902
5985-01-037-7352INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
SM-A-718671-3
6630-01-058-7447INTERCHANGEABLE
TEST SET,WATER TURBIDITY AND COL
21W0020
5340-01-085-4436INTERCHANGEABLE
CLIP,SPRING TENSION
6013-7CC
5950-01-154-7434INTERCHANGEABLE
REACTOR
77C717488P3

Frequently Asked Questions

What is NSN 3020-00-148-1895?

NSN 3020-00-148-1895 is a Gear,oil Pump Idler, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-148-1895?

NSN 3020-00-148-1895 has 50 cross-referenced part numbers: D15-680UPC609 (Westinghouse Electric Corp), D15-631RPC780 (Northrop Grumman Systems Corporation Div Marine Systems), D15-680XPC609 (Northrop Grumman Systems Corporation Div Marine Systems), D15-631BPC780 (Westinghouse Electric Corp), D15-680BPC609 (Northrop Grumman Systems Corporation Div Marine Systems) and 45 more.

What NSN replaces 3020-00-148-1895?

There are 12 known substitutes for 3020-00-148-1895: 5999-00-204-5758, 4510-00-216-5426, 5960-00-248-3090 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com