PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A743-2Bearing,sleeve

Chrysler Corp Amplex Div · NSN 3120-00-661-5539 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-5539 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-5539. Primary manufacturer part number: A743-2.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Material: OIL LUBRICATING LUBRICATION
  • Material: COPPER ALLOY OVERALL
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Outside Diameter: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-5539, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Chrysler Corp Amplex Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-5539
Primary Part NumberA743-2
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerChrysler Corp Amplex Div
StatusCANCELLED
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Body Inside Diameter0.5000 INCHES MINIMUM AND 0.5010 INCHES MAXIMUM IN
Corner ShapeCHAMFERED ALL CORNERS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2940-00-356-09137520482 INTERCHANGEABLE
Air Cleaner,intake
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
501-752-32 Asco Sintering Co
A743-2 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
A743-2 PRIMARY Chrysler Corp Amplex Div (USA)
Related Parts
2940-00-356-0913INTERCHANGEABLE
AIR CLEANER,INTAKE
7520482

Frequently Asked Questions

What is NSN 3120-00-661-5539?

NSN 3120-00-661-5539 is a Bearing,sleeve, manufactured by Chrysler Corp Amplex Div, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-5539?

NSN 3120-00-661-5539 has 4 cross-referenced part numbers: MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 501-752-32 (Asco Sintering Co), A743-2 (Chrysler Realty Company Llc Dba Daimler Chrysler), A743-2 (Chrysler Corp Amplex Div).

What NSN replaces 3120-00-661-5539?

There is 1 known substitute for 3120-00-661-5539: 2940-00-356-0913. Verify interchangeability with system specifications before substitution.

What are the specifications of A743-2?

Key specifications for A743-2: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Material: OIL LUBRICATING LUBRICATION. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-5539 still in active supply?

NSN 3120-00-661-5539 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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