PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA309Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-662-8256 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-8256 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-8256. Primary manufacturer part number: AA309.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 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 3120-00-662-8256, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-662-8256
Primary Part NumberAA309
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Outside Diameter0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
Body Inside Diameter0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3040-00-105-9267A30-9 INTERCHANGEABLE
Wiper,rod Cylinder
Ortman Fluid Power Quincy Compressor Div Sub of Coltec Industries Inc
6110-00-115-2923A309 INTERCHANGEABLE
Panel,power Distribution
Lockheed Martin Corp
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
5310-00-230-8862723298-5 INTERCHANGEABLE
Washer,spring Tension
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
A309 Chrysler Corp Amplex Div (USA)
A309 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
MILB5687TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
SL187-4 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
AA309 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
AA309 PRIMARY Beemer Precision Inc (USA)
AA309 Chrysler Corp Amplex Div (USA)
Related Parts
3040-00-105-9267INTERCHANGEABLE
WIPER,ROD CYLINDER
A30-9
6110-00-115-2923INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
A309
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
5310-00-230-8862INTERCHANGEABLE
WASHER,SPRING TENSION
723298-5

Frequently Asked Questions

What is NSN 3120-00-662-8256?

NSN 3120-00-662-8256 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 3120-00-662-8256?

NSN 3120-00-662-8256 has 7 cross-referenced part numbers: A309 (Chrysler Corp Amplex Div), A309 (Chrysler Realty Company Llc Dba Daimler Chrysler), MILB5687TYPE1C0MP0SITI0NA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SL187-4 (Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc), AA309 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 2 more.

What NSN replaces 3120-00-662-8256?

There are 4 known substitutes for 3120-00-662-8256: 3040-00-105-9267, 6110-00-115-2923, 3110-00-144-8669 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA309?

Key specifications for AA309: Material: COPPER ALLOY OVERALL; Material: OIL LUBRICATING LUBRICATION; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-662-8256 still in active supply?

NSN 3120-00-662-8256 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.
PartsTable Design LLC · partstable.com