PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-716IPC436Gear,idler

Northrop Grumman Systems Corporation Div Marine Systems · NSN 3020-00-146-4181 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-146-4181 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-146-4181. Primary manufacturer part number: D15-716IPC436.
Features
  • Gear,idler — FSC 3020
  • 24 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,idler, cataloged under National Stock Number 3020-00-146-4181, 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 24 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,idler
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersNorthrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp (CAGE 79500); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN3020-00-146-4181
Primary Part NumberD15-716IPC436
Item NameGear,idler
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-023-666211578050 INTERCHANGEABLE
Pin,quick Release
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
5330-00-051-35345908 INTERCHANGEABLE
Gasket
Thermal Ceramics Inc Dba Thermal Ceramics Inc
5961-00-116-8969353-3686-020 INTERCHANGEABLE
Semiconductor Device,diode
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5960-00-168-3594 INTERCHANGEABLE
Electron Tube
4510-00-253-1168BKA-3376 INTERCHANGEABLE
Lever Assembly,water Closet Tank
Woodward-Wanger Co
6150-00-284-8809M7104 INTERCHANGEABLE
Cable Assembly,special Purpose,e
General Electric Co Wiring Device Dept
5905-00-406-61245908 INTERCHANGEABLE
Holder,resistor
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
3120-00-489-63385908 INTERCHANGEABLE
Bearing
Pdi Ground Support Systems, Inc.
6145-00-590-8642 INTERCHANGEABLE
Cable,radio Frequency
2915-00-719-91665908 INTERCHANGEABLE
Retainer,seal
Michigan Dynamics Inc
Cross-Reference Index
Part NumberManufacturer
D15-414DDPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-414AAPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-716SPC436 Westinghouse Electric Corp (USA)
D15-414CPC436 Westinghouse Electric Corp (USA)
D15-716IPC436 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-716WPC436 Westinghouse Electric Corp (USA)
D15-716BPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-414DDPC436 Westinghouse Electric Corp (USA)
D15-4140PC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-716BPC436 Westinghouse Electric Corp Sturtevant Div (USA)
D15-716SPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
5908 Westinghouse Electric Corp (USA)
D15-716WPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-414AAPC436 Westinghouse Electric Corp (USA)
D15-4140PC436 Westinghouse Electric Corp (USA)
5908 Westinghouse Electric Corp Sturtevant Div (USA)
D15-716TPC436 Westinghouse Electric Corp (USA)
D15-716BPC436 Westinghouse Electric Corp (USA)
D15-716TPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-414CCPC436 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5315-00-023-6662INTERCHANGEABLE
PIN,QUICK RELEASE
11578050
5330-00-051-3534INTERCHANGEABLE
GASKET
5908
5961-00-116-8969INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
353-3686-020
5960-00-168-3594INTERCHANGEABLE
ELECTRON TUBE
4510-00-253-1168INTERCHANGEABLE
LEVER ASSEMBLY,WATER CLOSET TANK
BKA-3376
6150-00-284-8809INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
M7104
5905-00-406-6124INTERCHANGEABLE
HOLDER,RESISTOR
5908
3120-00-489-6338INTERCHANGEABLE
BEARING
5908
6145-00-590-8642INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2915-00-719-9166INTERCHANGEABLE
RETAINER,SEAL
5908
5985-01-413-6795INTERCHANGEABLE
ATTENUATOR,FIXED
3040-01-514-7270INTERCHANGEABLE
SHAFT,SHOULDERED

Frequently Asked Questions

What is NSN 3020-00-146-4181?

NSN 3020-00-146-4181 is a Gear,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 3020-00-146-4181?

NSN 3020-00-146-4181 has 24 cross-referenced part numbers: D15-414DDPC436 (Northrop Grumman Systems Corporation Div Marine Systems), D15-414AAPC436 (Northrop Grumman Systems Corporation Div Marine Systems), D15-716SPC436 (Westinghouse Electric Corp), D15-414CPC436 (Westinghouse Electric Corp), D15-716IPC436 (Northrop Grumman Systems Corporation Div Marine Systems) and 19 more.

What NSN replaces 3020-00-146-4181?

There are 12 known substitutes for 3020-00-146-4181: 5315-00-023-6662, 5330-00-051-3534, 5961-00-116-8969 and 9 more. Verify interchangeability with system specifications before substitution.

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