PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA2203Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-287-7693 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-7693 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-7693. Primary manufacturer part number: AA2203.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 2.2525 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN
  • Body Inside Diameter: 2.0015 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: OIL LUBRICATING LUBRICATION
  • Material: COPPER ALLOY OVERALL
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 3120-00-287-7693, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-287-7693
Primary Part NumberAA2203
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusACTIVE
Body Outside Diameter2.2525 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN
Body Inside Diameter2.0015 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialOIL LUBRICATING LUBRICATION
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-1706 INTERCHANGEABLE
Bearing,ball,thrust
5340-00-209-9967 INTERCHANGEABLE
Bumper
2920-00-384-8557A2203 INTERCHANGEABLE
Drive,engine,electrical Starter
Zenith Fuel Systems Llc
5935-00-433-1901 INTERCHANGEABLE
Socket,plug-in Electronic Compon
5930-00-669-7762 INTERCHANGEABLE
Switch,toggle
5360-01-105-9273 INTERCHANGEABLE
Spring,helical,compression
5360-01-228-5072 INTERCHANGEABLE
Spring,helical,compression
5325-01-357-583012562970 INTERCHANGEABLE
Eyelet,metallic
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
Cross-Reference Index
Part NumberManufacturer
AA2203 PRIMARY Beemer Precision Inc (USA)
CW543-51 PRIMARY Markey Machine Llc Div Markey Machine (USA)
CW541PC51 PRIMARY Markey Machine Llc Div Markey Machine (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
A2203 PRIMARY Markey Machine Llc Div Markey Machine (USA)
HA2203 PRIMARY Chrysler Corp Amplex Div (USA)
507980ALT4PC51 PRIMARY Naval Ship Systems Command (USA)
A2203 PRIMARY Chrysler Corp Amplex Div (USA)
507981ALT2PC51 PRIMARY Naval Ship Systems Command (USA)
HA2203 PRIMARY Markey Machine Llc Div Markey Machine (USA)
AA2203 PRIMARY Chrysler Corp Amplex Div (USA)
Related Parts
3110-00-156-1706INTERCHANGEABLE
BEARING,BALL,THRUST
5340-00-209-9967INTERCHANGEABLE
BUMPER
2920-00-384-8557INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
A2203
5935-00-433-1901INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
5930-00-669-7762INTERCHANGEABLE
SWITCH,TOGGLE
5360-01-105-9273INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5360-01-228-5072INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5325-01-357-5830INTERCHANGEABLE
EYELET,METALLIC
12562970

Frequently Asked Questions

What is NSN 3120-00-287-7693?

NSN 3120-00-287-7693 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-287-7693?

NSN 3120-00-287-7693 has 11 cross-referenced part numbers: AA2203 (Beemer Precision Inc), CW543-51 (Markey Machine Llc Div Markey Machine), CW541PC51 (Markey Machine Llc Div Markey Machine), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), A2203 (Markey Machine Llc Div Markey Machine) and 6 more.

What NSN replaces 3120-00-287-7693?

There are 8 known substitutes for 3120-00-287-7693: 3110-00-156-1706, 5340-00-209-9967, 2920-00-384-8557 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA2203?

Key specifications for AA2203: Overall Length: 2.0000 INCHES NOMINAL IN; Body Outside Diameter: 2.2525 INCHES MINIMUM AND 2.2540 INCHES MAXIMUM IN; Body Inside Diameter: 2.0015 INCHES MINIMUM AND 2.0030 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION. 8 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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