PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7378825Bearing Half,sleeve

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-737-8825 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-737-8825 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-737-8825. Primary manufacturer part number: 7378825.
Features
  • Bearing Half,sleeve — FSC 3120
  • Locking Lug Height: 0.1250 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: UNABLE TO DECODE
  • Surface Treatment: LEAD OVERALL
  • Material: LUBRICANT LUBRICATION
  • Locking Lug Length: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Lubricant Lubrication construction
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-737-8825, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-737-8825
Primary Part Number7378825
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Locking Lug Height0.1250 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationUNABLE TO DECODE
Surface TreatmentLEAD OVERALL
MaterialLUBRICANT LUBRICATION
Locking Lug Length0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
Locking Lug Width0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
Antirotation/lubrication Type and Quantity1 HOLE
MaterialSTEEL COMP 1010 OUTER LAYER
Body Outside Diameter2.2800 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
Body Inside Diameter2.2495 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN
MaterialCOPPER ALLOY INNER LAYER
Hole Diameter0.1250 INCHES NOMINAL FIRST IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2815-00-484-836042647 INTERCHANGEABLE
Cap,main Bearing
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
7378825 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4-2647 General Motors Corp (USA)
CB-34P Jpi Transportation Products Inc (USA)
7378825 Jpi Transportation Products Inc (USA)
Related Parts
2815-00-484-8360INTERCHANGEABLE
CAP,MAIN BEARING
42647

Frequently Asked Questions

What is NSN 3120-00-737-8825?

NSN 3120-00-737-8825 is a Bearing Half,sleeve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-737-8825?

NSN 3120-00-737-8825 has 4 cross-referenced part numbers: 7378825 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-2647 (General Motors Corp), CB-34P (Jpi Transportation Products Inc), 7378825 (Jpi Transportation Products Inc).

What NSN replaces 3120-00-737-8825?

There is 1 known substitute for 3120-00-737-8825: 2815-00-484-8360. Verify interchangeability with system specifications before substitution.

What are the specifications of 7378825?

Key specifications for 7378825: Locking Lug Height: 0.1250 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: UNABLE TO DECODE. 16 total characteristics are documented in the Federal Logistics Information System.

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