PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3973120-371155Bearing,sleeve

Chief of Engineers Dept of Army · NSN 3120-00-368-5389 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-368-5389 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-368-5389. Primary manufacturer part number: 3973120-371155.
Features
  • Bearing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED CIRCULAR
  • Corner Shape: ROUND INSIDE LEFT CORNER
  • Left Flange Outside Diameter: 2.6250 INCHES NOMINAL IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Antirotation/lubrication Type and Quantity: 1 HOLE
  • Surface Treatment: TIN OVERALL
  • Material: STEEL OVERALL
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-368-5389, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Chief of Engineers Dept of Army. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 12 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
NSN3120-00-368-5389
Primary Part Number3973120-371155
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerChief of Engineers Dept of Army
StatusCANCELLED
Lubricant Accommodation StyleGROOVED CIRCULAR
Corner ShapeROUND INSIDE LEFT CORNER
Left Flange Outside Diameter2.6250 INCHES NOMINAL IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Antirotation/lubrication Type and Quantity1 HOLE
Surface TreatmentTIN OVERALL
MaterialSTEEL OVERALL
Surface Groove Location and Quantity1 INTERNAL
Left Flange Width0.1235 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
Right Flange Outside Diameter2.6250 INCHES NOMINAL IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeROUND INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Inside Diameter1.9895 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Outside Diameter2.1360 INCHES NOMINAL IN
Right Flange Width0.1235 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
Hole Diameter0.3120 INCHES NOMINAL FIRST IN
Style DesignatorSOLID, EXTERNAL FLANGES BOTH ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-156-09815120-00-156-0981 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
2920-00-322-0732 INTERCHANGEABLE
Switch,ignition
6680-00-679-10239585-027 INTERCHANGEABLE
Meter,volumetric Positive Displa
Badger Meter Inc
5920-00-852-40153679 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5310-01-222-4940N03679 INTERCHANGEABLE
Nut,plain,hexagon
Leslie Controls, Inc. Dba Leslie Controls Inc
2520-01-497-61953679 INTERCHANGEABLE
Disk,clutch,vehicular
Arcosa Marine Components, Llc
5310-01-633-7502 INTERCHANGEABLE
Nut,plain,hexagon
4820-01-669-2288FCVL-12-N-C-0-N INTERCHANGEABLE
Valve,flow Control
J.w.f. Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
29899B Hackney Bros Body Co (USA)
H29899B Linde Material Handling North America Corporation (USA)
236570 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3679 Mcquay-Norris Inc Oem Div an Skf Industries Co
29899B Hercules Engine Co Inc (USA)
3973120-371155 PRIMARY Chief of Engineers Dept of Army (USA)
29899B PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
29899B Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
29899B General Electric Company (USA)
H29899B Linde Lift Truck Corp. (USA)
1453SB Federal-Mogul Corp Powertrain Products Div (USA)
29899B PRIMARY H20 Tank Inc U S Motors Div (USA)
236570 Hercules Engine Co Inc (USA)
MB1483B Jpi Transportation Products Inc (USA)
Related Parts
5120-00-156-0981INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-156-0981
2920-00-322-0732INTERCHANGEABLE
SWITCH,IGNITION
6680-00-679-1023INTERCHANGEABLE
METER,VOLUMETRIC POSITIVE DISPLA
9585-027
5920-00-852-4015INTERCHANGEABLE
FUSEHOLDER,BLOCK
3679
5310-01-222-4940INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N03679
2520-01-497-6195INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
3679
5310-01-633-7502INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4820-01-669-2288INTERCHANGEABLE
VALVE,FLOW CONTROL
FCVL-12-N-C-0-N

Frequently Asked Questions

What is NSN 3120-00-368-5389?

NSN 3120-00-368-5389 is a Bearing,sleeve, manufactured by Chief of Engineers Dept of Army, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-368-5389?

NSN 3120-00-368-5389 has 14 cross-referenced part numbers: 29899B (Hackney Bros Body Co), H29899B (Linde Material Handling North America Corporation), 236570 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 3679 (Mcquay-Norris Inc Oem Div an Skf Industries Co), 29899B (Hercules Engine Co Inc) and 9 more.

What NSN replaces 3120-00-368-5389?

There are 8 known substitutes for 3120-00-368-5389: 5120-00-156-0981, 2920-00-322-0732, 6680-00-679-1023 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3973120-371155?

Key specifications for 3973120-371155: Lubricant Accommodation Style: GROOVED CIRCULAR; Corner Shape: ROUND INSIDE LEFT CORNER; Left Flange Outside Diameter: 2.6250 INCHES NOMINAL IN; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-368-5389 still in active supply?

NSN 3120-00-368-5389 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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