PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2478Bearing Assembly

Northrop Grumman Systems Corporation Div Marine Systems · NSN 3120-00-216-9362 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-216-9362 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-216-9362. Primary manufacturer part number: 2478.
Features
  • Bearing Assembly — FSC 3120
  • 4 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing Assembly, cataloged under National Stock Number 3120-00-216-9362, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing Assembly
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersNorthrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN3120-00-216-9362
Primary Part Number2478
Item NameBearing Assembly
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5365-00-174-0476 INTERCHANGEABLE
Bushing,nonmetallic
5315-00-359-30872478 INTERCHANGEABLE
Pin,straight,headless
Eaton Aerospace, Llc Dba Jackson South
2010-00-362-6821DB7907 INTERCHANGEABLE
Disk,pinion
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
4820-00-554-96233/4 2478D-XDA1 INTERCHANGEABLE
Valve,safety Relief
Ashcroft Inc Dba Heise
4820-00-561-776022478 INTERCHANGEABLE
Retainer,seat,valve
Grove Valve Operations
5310-00-638-023021191 INTERCHANGEABLE
Washer,key
Industrial Technologies and Services Llc
5315-00-775-2523 INTERCHANGEABLE
Pin,straight,headless
2530-01-138-2988 INTERCHANGEABLE
Parts Kit,hydraulic Brake Master
5940-01-363-77802478 INTERCHANGEABLE
Terminal,lug
Molex, Llc
Cross-Reference Index
Part NumberManufacturer
D15-439EPC160-161-176-177 Northrop Grumman Systems Corporation Div Marine Systems (USA)
2478 Westinghouse Electric Corp Sturtevant Div (USA)
D15-439EPC160-161-176-177 Westinghouse Electric Corp Sturtevant Div (USA)
2478 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
5365-00-174-0476INTERCHANGEABLE
BUSHING,NONMETALLIC
5315-00-359-3087INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2478
2010-00-362-6821INTERCHANGEABLE
DISK,PINION
DB7907
4820-00-554-9623INTERCHANGEABLE
VALVE,SAFETY RELIEF
3/4 2478D-XDA1
4820-00-561-7760INTERCHANGEABLE
RETAINER,SEAT,VALVE
22478
5310-00-638-0230INTERCHANGEABLE
WASHER,KEY
21191
5315-00-775-2523INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
2530-01-138-2988INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE MASTER
5940-01-363-7780INTERCHANGEABLE
TERMINAL,LUG
2478

Frequently Asked Questions

What is NSN 3120-00-216-9362?

NSN 3120-00-216-9362 is a Bearing Assembly, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-216-9362?

NSN 3120-00-216-9362 has 4 cross-referenced part numbers: D15-439EPC160-161-176-177 (Northrop Grumman Systems Corporation Div Marine Systems), 2478 (Westinghouse Electric Corp Sturtevant Div), D15-439EPC160-161-176-177 (Westinghouse Electric Corp Sturtevant Div), 2478 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 3120-00-216-9362?

There are 9 known substitutes for 3120-00-216-9362: 5365-00-174-0476, 5315-00-359-3087, 2010-00-362-6821 and 6 more. Verify interchangeability with system specifications before substitution.

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