PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA309-3Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-489-4066 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-489-4066 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-489-4066. Primary manufacturer part number: AA309-3.
Features
  • Bearing,sleeve — FSC 3120
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
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 3120-00-489-4066, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Beemer Precision Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-489-4066
Primary Part NumberAA309-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
Body Inside Diameter0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5306-00-281-8280A3093 INTERCHANGEABLE
Bolt,machine
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5961-00-912-94192N3704 INTERCHANGEABLE
Transistor
Semitronics Corp
6145-01-502-3235AA-3093 INTERCHANGEABLE
Cable,radio Frequency
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
Cross-Reference Index
Part NumberManufacturer
A309-3 Chrysler Corp Amplex Div (USA)
MILB5687TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A309-3 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
AA309-3 PRIMARY Beemer Precision Inc (USA)
AA309-3 PRIMARY Chrysler Corp Amplex Div (USA)
Related Parts
5306-00-281-8280INTERCHANGEABLE
BOLT,MACHINE
A3093
5961-00-912-9419INTERCHANGEABLE
TRANSISTOR
2N3704
6145-01-502-3235INTERCHANGEABLE
CABLE,RADIO FREQUENCY
AA-3093

Frequently Asked Questions

What is NSN 3120-00-489-4066?

NSN 3120-00-489-4066 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-489-4066?

NSN 3120-00-489-4066 has 5 cross-referenced part numbers: A309-3 (Chrysler Corp Amplex Div), MILB5687TYPE1C0MP0SITI0NA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A309-3 (Chrysler Realty Company Llc Dba Daimler Chrysler), AA309-3 (Beemer Precision Inc), AA309-3 (Chrysler Corp Amplex Div).

What NSN replaces 3120-00-489-4066?

There are 3 known substitutes for 3120-00-489-4066: 5306-00-281-8280, 5961-00-912-9419, 6145-01-502-3235. Verify interchangeability with system specifications before substitution.

What are the specifications of AA309-3?

Key specifications for AA309-3: Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-489-4066 still in active supply?

NSN 3120-00-489-4066 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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