PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1225D368Bearing,sleeve

Meritor Heavy Vehicle Systems, Llc · NSN 3120-00-288-6034 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-288-6034 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-288-6034. Primary manufacturer part number: 1225D368.
Features
  • Bearing,sleeve — FSC 3120
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Body Outside Diameter: 3.8140 INCHES MINIMUM AND 3.8160 INCHES MAXIMUM IN
  • Body Inside Diameter: 3.4440 INCHES MINIMUM AND 3.4460 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Lubricant Accommodation Style: GROOVED SINGLE X
  • Hole Diameter: 0.0938 INCHES NOMINAL FIRST IN
  • Material: COPPER ALLOY 937 OR COPPER ALLOY 932 OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 or Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-288-6034, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-288-6034
Primary Part Number1225D368
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusCANCELLED
Antirotation/lubrication Type and Quantity1 HOLE
Body Outside Diameter3.8140 INCHES MINIMUM AND 3.8160 INCHES MAXIMUM IN
Body Inside Diameter3.4440 INCHES MINIMUM AND 3.4460 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lubricant Accommodation StyleGROOVED SINGLE X
Hole Diameter0.0938 INCHES NOMINAL FIRST IN
MaterialCOPPER ALLOY 937 OR COPPER ALLOY 932 OVERALL
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Corner ShapeCHAMFERED ALL CORNERS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5310-00-011-2432102-4B10 INTERCHANGEABLE
Nut,plain,hexagon
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5985-00-055-803990290 INTERCHANGEABLE
Attenuator,variable
Waveline Inc
4810-00-397-56117637 INTERCHANGEABLE
Sleeve and Slide,directional Con
Moog Inc
5315-01-096-02035D8159 INTERCHANGEABLE
Pin,straight,headless
Caterpillar Inc Div Caterpillar Defense
5999-01-287-7268 INTERCHANGEABLE
Contact,electrical
4920-01-297-973190290 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
5340-01-334-0054770-1508 INTERCHANGEABLE
Clamp,loop
Concord Electronics, Inc.
5945-01-437-8087 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
1225D368 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
7392971 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1225Z208 Meritor Heavy Vehicle Systems, Llc (USA)
4DG0608 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
7637 Motor Truck Parts Co (USA)
90290 White Motor Corp (USA)
47182F Diamond Reo Truck Co (USA)
Related Parts
5310-00-011-2432INTERCHANGEABLE
NUT,PLAIN,HEXAGON
102-4B10
5985-00-055-8039INTERCHANGEABLE
ATTENUATOR,VARIABLE
90290
4810-00-397-5611INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
7637
5315-01-096-0203INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5D8159
5999-01-287-7268INTERCHANGEABLE
CONTACT,ELECTRICAL
4920-01-297-9731INTERCHANGEABLE
TEST PROGRAM SET
90290
5340-01-334-0054INTERCHANGEABLE
CLAMP,LOOP
770-1508
5945-01-437-8087INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 3120-00-288-6034?

NSN 3120-00-288-6034 is a Bearing,sleeve, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-288-6034?

NSN 3120-00-288-6034 has 7 cross-referenced part numbers: 1225D368 (Meritor Heavy Vehicle Systems, Llc), 7392971 (U S Army Tank Automotive Command Amsta-Im-Mm), 1225Z208 (Meritor Heavy Vehicle Systems, Llc), 4DG0608 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 7637 (Motor Truck Parts Co) and 2 more.

What NSN replaces 3120-00-288-6034?

There are 8 known substitutes for 3120-00-288-6034: 5310-00-011-2432, 5985-00-055-8039, 4810-00-397-5611 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1225D368?

Key specifications for 1225D368: Overall Length: 2.5000 INCHES NOMINAL IN; Antirotation/lubrication Type and Quantity: 1 HOLE; Body Outside Diameter: 3.8140 INCHES MINIMUM AND 3.8160 INCHES MAXIMUM IN; Special Features: OPTIONAL CONSTRUCTION,STEEL BACKED BABBIT LINED. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-288-6034 still in active supply?

NSN 3120-00-288-6034 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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