PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7378851Bearing,sleeve

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-737-8851 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-737-8851 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-737-8851. Primary manufacturer part number: 7378851.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Antirotation/lubrication Type and Quantity: 8 HOLE
  • Body Inside Diameter: 2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN
  • Corner Shape: ROUND INSIDE LEFT CORNER
  • Style Designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
  • Material: STEEL OUTER LAYER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Outer Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-737-8851, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-737-8851
Primary Part Number7378851
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Corner ShapeSQUARE INSIDE RIGHT CORNER
Antirotation/lubrication Type and Quantity8 HOLE
Body Inside Diameter2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN
Corner ShapeROUND INSIDE LEFT CORNER
Style DesignatorSEGMENTED, PLAIN, NO OUTSIDE FLANGES
MaterialSTEEL OUTER LAYER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Outside Diameter2.5590 INCHES MINIMUM AND 2.5640 INCHES MAXIMUM IN
Hole Diameter0.1820 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM FIRST IN
MaterialCOPPER ALLOY INNER LAYER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2810-00-118-2995134914 INTERCHANGEABLE
Support Assembly,drive Shaft
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5360-00-630-5664SP-406 INTERCHANGEABLE
Spring,helical,compression
Breeze-Eastern Llc
5910-00-648-8973K-7111816-2 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Lockheed Martin Corporation Div Rms
1660-00-957-6829 INTERCHANGEABLE
Plate Assembly,swit
6680-01-100-806443098 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5998-01-110-1615 INTERCHANGEABLE
Electronic Components Assembly
3040-01-270-6529 INTERCHANGEABLE
Control Assembly,push-Pull
Cross-Reference Index
Part NumberManufacturer
7378851 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4-3098 General Motors Corp (USA)
SP406 Jpi Transportation Products Inc (USA)
Related Parts
2810-00-118-2995INTERCHANGEABLE
SUPPORT ASSEMBLY,DRIVE SHAFT
134914
5360-00-630-5664INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
SP-406
5910-00-648-8973INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
K-7111816-2
1660-00-957-6829INTERCHANGEABLE
PLATE ASSEMBLY,SWIT
6680-01-100-8064INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
43098
5998-01-110-1615INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
3040-01-270-6529INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL

Frequently Asked Questions

What is NSN 3120-00-737-8851?

NSN 3120-00-737-8851 is a Bearing,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 3120-00-737-8851?

NSN 3120-00-737-8851 has 3 cross-referenced part numbers: 7378851 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-3098 (General Motors Corp), SP406 (Jpi Transportation Products Inc).

What NSN replaces 3120-00-737-8851?

There are 7 known substitutes for 3120-00-737-8851: 2810-00-118-2995, 5360-00-630-5664, 5910-00-648-8973 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7378851?

Key specifications for 7378851: Corner Shape: SQUARE INSIDE RIGHT CORNER; Antirotation/lubrication Type and Quantity: 8 HOLE; Body Inside Diameter: 2.4046 INCHES MINIMUM AND 2.4091 INCHES MAXIMUM IN; Corner Shape: ROUND INSIDE LEFT CORNER. 12 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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