PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7411156Bearing,sleeve

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 3120-00-741-1156 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-741-1156 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-741-1156. Primary manufacturer part number: 7411156.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 3.0050 INCHES MINIMUM AND 3.0060 INCHES MAXIMUM IN
  • Body Outside Diameter: 3.2520 INCHES MINIMUM AND 3.2530 INCHES MAXIMUM IN
  • Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: CHAMFERED INSIDE RIGHT CORNER
  • Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Surface Finish: 125.0 MICROINCHES LEFT END SURFACE OF BODY
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-741-1156, 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 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-741-1156
Primary Part Number7411156
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Body Inside Diameter3.0050 INCHES MINIMUM AND 3.0060 INCHES MAXIMUM IN
Body Outside Diameter3.2520 INCHES MINIMUM AND 3.2530 INCHES MAXIMUM IN
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeCHAMFERED INSIDE RIGHT CORNER
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Surface Finish125.0 MICROINCHES LEFT END SURFACE OF BODY
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialCOPPER ALLOY OVERALL
Corner ShapeCHAMFERED INSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-432-1685 INTERCHANGEABLE
Pulley,groove
2840-00-761-61693011T61P01 INTERCHANGEABLE
Pulley Assembly,nozzle
Triumph Controls, Llc Dba Triumph Controls, Llc
5999-01-241-708423344 INTERCHANGEABLE
Base,air Duct
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5915-01-258-408723344 INTERCHANGEABLE
Phase Shifter,electronic
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5985-01-559-381723-3-44 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
5920-01-690-25722.3344 INTERCHANGEABLE
Fuse,cartridge
Tld Wollard Llc
Cross-Reference Index
Part NumberManufacturer
23344 Vickers Inc (USA)
7411156 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
M307238 Garwood/feller Inc Garwood Winch Div (USA)
Related Parts
3020-00-432-1685INTERCHANGEABLE
PULLEY,GROOVE
2840-00-761-6169INTERCHANGEABLE
PULLEY ASSEMBLY,NOZZLE
3011T61P01
5999-01-241-7084INTERCHANGEABLE
BASE,AIR DUCT
23344
5915-01-258-4087INTERCHANGEABLE
PHASE SHIFTER,ELECTRONIC
23344
5985-01-559-3817INTERCHANGEABLE
ATTENUATOR,FIXED
23-3-44
5920-01-690-2572INTERCHANGEABLE
FUSE,CARTRIDGE
2.3344

Frequently Asked Questions

What is NSN 3120-00-741-1156?

NSN 3120-00-741-1156 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 3120-00-741-1156?

NSN 3120-00-741-1156 has 3 cross-referenced part numbers: 23344 (Vickers Inc), 7411156 (U S Army Tank Automotive Command Amsta-Im-Mm), M307238 (Garwood/feller Inc Garwood Winch Div).

What NSN replaces 3120-00-741-1156?

There are 6 known substitutes for 3120-00-741-1156: 3020-00-432-1685, 2840-00-761-6169, 5999-01-241-7084 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7411156?

Key specifications for 7411156: Body Inside Diameter: 3.0050 INCHES MINIMUM AND 3.0060 INCHES MAXIMUM IN; Overall Length: 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN; Body Outside Diameter: 3.2520 INCHES MINIMUM AND 3.2530 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY. 13 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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