PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85-51Housing,bearing Unit

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 3130-00-370-3804 · FSC 3130 · No Item Name Available
Verified by PartsTable
NSN 3130-00-370-3804 — this item is cataloged by the U.S. Government under National Stock Number 3130-00-370-3804. Primary manufacturer part number: 85-51.
Features
  • Housing,bearing Unit — FSC 3130
  • Material: ALUMINUM OVERALL
  • Shaft End Type: OPEN
  • Mounting Hole Type: ROUND, UNTHREADED
  • Mounting Hole Diameter: 0.1250 INCHES NOMINAL IN
  • Bore Diameter: 0.3748 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Aluminum Overall construction
General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-00-370-3804, is classified within Federal Supply Class 3130 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3130-00-370-3804
Primary Part Number85-51
Item NameHousing,bearing Unit
FSC / FSG3130 / 31 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
MaterialALUMINUM OVERALL
Shaft End TypeOPEN
Mounting Hole TypeROUND, UNTHREADED
Mounting Hole Diameter0.1250 INCHES NOMINAL IN
Bore Diameter0.3748 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2510-00-042-48254083-5501 INTERCHANGEABLE
Spring Assembly,leaf
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
2930-00-180-64458551 INTERCHANGEABLE
Pump,package
Elgin Industries Inc. Dba
4720-00-444-1731 INTERCHANGEABLE
Hose Assembly,nonmetallic
5331-01-025-77838551 INTERCHANGEABLE
O-Ring
Imi Cash Valve Inc
5340-01-067-9987A7576.001.130 INTERCHANGEABLE
Cap,protective,dust and Moisture
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-01-131-7650E8551C41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6110-01-324-68098551 INTERCHANGEABLE
Computer
Cef Industries Inc Environ Div
4220-01-346-1998592-6383532-1 INTERCHANGEABLE
Bladder Assembly,life Preserver
Naval Sea Systems Command
5935-01-347-7179855-1 INTERCHANGEABLE
Connector,receptacle,electrical
Inmac Usa Microwarehouse Inc of Connecticut
6625-01-513-17288551 INTERCHANGEABLE
Generator,function-Pulse
Global Test Solutions Llc
Cross-Reference Index
Part NumberManufacturer
85-51 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
2510-00-042-4825INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
4083-5501
2930-00-180-6445INTERCHANGEABLE
PUMP,PACKAGE
8551
4720-00-444-1731INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5331-01-025-7783INTERCHANGEABLE
O-RING
8551
5340-01-067-9987INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
A7576.001.130
4820-01-131-7650INTERCHANGEABLE
VALVE,SAFETY RELIEF
E8551C41M
6110-01-324-6809INTERCHANGEABLE
COMPUTER
8551
4220-01-346-1998INTERCHANGEABLE
BLADDER ASSEMBLY,LIFE PRESERVER
592-6383532-1
5935-01-347-7179INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
855-1
6625-01-513-1728INTERCHANGEABLE
GENERATOR,FUNCTION-PULSE
8551
5996-01-550-6657INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
8910ADA-M
6515-01-576-7321INTERCHANGEABLE
REFILL KIT,PUMP
8551

Frequently Asked Questions

What is NSN 3130-00-370-3804?

NSN 3130-00-370-3804 is a Housing,bearing Unit, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 3130 (No Item Name Available). Status: active.

What are the part numbers for NSN 3130-00-370-3804?

NSN 3130-00-370-3804 has 1 cross-referenced part number: 85-51 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 3130-00-370-3804?

There are 12 known substitutes for 3130-00-370-3804: 2510-00-042-4825, 2930-00-180-6445, 4720-00-444-1731 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 85-51?

Key specifications for 85-51: Material: ALUMINUM OVERALL; Shaft End Type: OPEN; Mounting Hole Type: ROUND, UNTHREADED; Mounting Hole Diameter: 0.1250 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

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