PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA307-3Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-287-6301 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-6301 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-6301. Primary manufacturer part number: AA307-3.
Features
  • Bearing,sleeve — FSC 3120
  • Material: OIL LUBRICATING LUBRICATION
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Body Inside Diameter: 0.2510 INCHES MINIMUM AND 0.2520 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 3120-00-287-6301, 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 19 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-287-6301
Primary Part NumberAA307-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
MaterialOIL LUBRICATING LUBRICATION
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Body Inside Diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-189-8763B1011 INTERCHANGEABLE
Relay,electromagnetic
Lucent Technologies Inc Corporate Headquarters
5940-00-197-8772B464 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
7530-00-273-98457530-00-273-9845 INTERCHANGEABLE
Folder,file
National Industries for the Blind
7530-00-312-6167181301 INTERCHANGEABLE
Paper,copying,thermographic Proc
Ncr Corporation Dba Ncr
5365-00-585-9835B6-11 INTERCHANGEABLE
Spacer,sleeve
Roller Bearing Co of America, Inc Div Pic Design
5820-00-911-1609 INTERCHANGEABLE
Module Oscillator
5365-00-928-380711588659-1 INTERCHANGEABLE
Spacer,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
2915-00-961-652618307-14 INTERCHANGEABLE
Parts Kit,fuel Control,overhaul
Hamilton Sundstrand Corporation Dba Collins Aerospace
5915-01-020-1769 INTERCHANGEABLE
Filter,radio Frequency Interfere
5340-01-023-627818130-1 INTERCHANGEABLE
Bracket,angle
Drs Advanced Isr, Llc
Cross-Reference Index
Part NumberManufacturer
AA307-3 PRIMARY Beemer Precision Inc (USA)
B10-11 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
31-43260 Schreck Industries Inc (USA)
18-1301 Rca Corp Government and Commercial Systems Commercial Commications Systems Div (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PB812-8 Johnson Bronze Co (USA)
A307-3 PRIMARY Chrysler Corp Amplex Div (USA)
640688-0-06 Smith Meter Inc Parts Opn (USA)
3153584-6 Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA)
B6-11 W. M. Berg, Inc. (USA)
D20040-10 Marine Acquisition (us) Incorporated Div Prime Line Industrial Controls (USA)
18-1301 Radio Materials Corp (USA)
3153584-6 Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div (USA)
AA307-3 PRIMARY Chrysler Corp Amplex Div (USA)
B-46-4 Altra Industrial Motion Corp. (USA)
31-432-60 Schreck Industries Inc (USA)
1037558PC2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
714005-118 Capstan Ag Systems, Inc Dba Remex (USA)
D20040-10 Incom Intl Inc Morse Controls Div (USA)
Related Parts
5945-00-189-8763INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
B1011
5940-00-197-8772INTERCHANGEABLE
TERMINAL,LUG
B464
7530-00-273-9845INTERCHANGEABLE
FOLDER,FILE
7530-00-273-9845
7530-00-312-6167INTERCHANGEABLE
PAPER,COPYING,THERMOGRAPHIC PROC
181301
5365-00-585-9835INTERCHANGEABLE
SPACER,SLEEVE
B6-11
5820-00-911-1609INTERCHANGEABLE
MODULE OSCILLATOR
5365-00-928-3807INTERCHANGEABLE
SPACER,SLEEVE
11588659-1
2915-00-961-6526INTERCHANGEABLE
PARTS KIT,FUEL CONTROL,OVERHAUL
18307-14
5915-01-020-1769INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5340-01-023-6278INTERCHANGEABLE
BRACKET,ANGLE
18130-1
6130-01-082-7819INTERCHANGEABLE
POWER SUPPLY
6110-01-193-0229INTERCHANGEABLE
CONTACTOR,MAGNETIC
B-464

Frequently Asked Questions

What is NSN 3120-00-287-6301?

NSN 3120-00-287-6301 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 3120-00-287-6301?

NSN 3120-00-287-6301 has 19 cross-referenced part numbers: AA307-3 (Beemer Precision Inc), B10-11 (Roller Bearing Co of America, Inc Div Pic Design), 31-43260 (Schreck Industries Inc), 18-1301 (Rca Corp Government and Commercial Systems Commercial Commications Systems Div), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 14 more.

What NSN replaces 3120-00-287-6301?

There are 12 known substitutes for 3120-00-287-6301: 5945-00-189-8763, 5940-00-197-8772, 7530-00-273-9845 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA307-3?

Key specifications for AA307-3: Overall Length: 0.5000 INCHES NOMINAL IN; Material: OIL LUBRICATING LUBRICATION; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Corner Shape: SQUARE ALL CORNERS. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-6301 still in active supply?

NSN 3120-00-287-6301 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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