PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AA1049-3Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-287-6574 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-6574 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-6574. Primary manufacturer part number: AA1049-3.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • 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
  • Material: OIL LUBRICATING LUBRICATION
  • Body Outside Diameter: 1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
  • Body Inside 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 Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-287-6574, 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 9 commercial cross-references from 6 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
NSN3120-00-287-6574
Primary Part NumberAA1049-3
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
Material Document and ClassificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
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
MaterialOIL LUBRICATING LUBRICATION
Body Outside Diameter1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
Body Inside Diameter0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-159-7148MS17795-120 INTERCHANGEABLE
Bearing,sleeve
American Society for Testing and Materials Dba Astm International
5133-00-189-9308 INTERCHANGEABLE
Drill,twist
5120-00-198-540912113 INTERCHANGEABLE
Key,socket Head Screw
Bondhus Corp
3815-00-234-3018121-13 INTERCHANGEABLE
Cross Rod
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
5133-00-243-9612 INTERCHANGEABLE
Drill,twist
5310-00-291-448712113 INTERCHANGEABLE
Washer,flat
Napco International Llc Dba Napco International Inc
5950-00-472-110612113 INTERCHANGEABLE
Transformer,power
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5320-00-500-92835009283 INTERCHANGEABLE
Rivet,solid
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4520-00-518-133112113 INTERCHANGEABLE
Heating Element,electrical,nonim
Drs Environmental Systems Inc
6610-00-620-4242 INTERCHANGEABLE
End Plate Assy
Cross-Reference Index
Part NumberManufacturer
AA1049-3 PRIMARY Beemer Precision Inc (USA)
12113 Cummins Power Generation Inc. (USA)
AA1049-3 PRIMARY Chrysler Corp Amplex Div (USA)
AA1049-3 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
A1049-3 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
SL756-16 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
A1049-3 PRIMARY Chrysler Corp Amplex Div (USA)
AA1049-3 Eagle-Picher Industries Inc Kingwell Div (USA)
160A411 Cummins Power Generation Inc. (USA)
Related Parts
3120-00-159-7148INTERCHANGEABLE
BEARING,SLEEVE
MS17795-120
5133-00-189-9308INTERCHANGEABLE
DRILL,TWIST
5120-00-198-5409INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
12113
3815-00-234-3018INTERCHANGEABLE
CROSS ROD
121-13
5133-00-243-9612INTERCHANGEABLE
DRILL,TWIST
5310-00-291-4487INTERCHANGEABLE
WASHER,FLAT
12113
5950-00-472-1106INTERCHANGEABLE
TRANSFORMER,POWER
12113
5320-00-500-9283INTERCHANGEABLE
RIVET,SOLID
5009283
4520-00-518-1331INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
12113
6610-00-620-4242INTERCHANGEABLE
END PLATE ASSY
6540-01-077-5405INTERCHANGEABLE
OCCLUDER,EYE
12113
5310-01-093-7597INTERCHANGEABLE
NUT,MOUNTING
121-1-3

Frequently Asked Questions

What is NSN 3120-00-287-6574?

NSN 3120-00-287-6574 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 3120-00-287-6574?

NSN 3120-00-287-6574 has 9 cross-referenced part numbers: AA1049-3 (Beemer Precision Inc), 12113 (Cummins Power Generation Inc.), AA1049-3 (Chrysler Corp Amplex Div), AA1049-3 (Chrysler Realty Company Llc Dba Daimler Chrysler), A1049-3 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 4 more.

What NSN replaces 3120-00-287-6574?

There are 12 known substitutes for 3120-00-287-6574: 3120-00-159-7148, 5133-00-189-9308, 5120-00-198-5409 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AA1049-3?

Key specifications for AA1049-3: Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; 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 3120-00-287-6574 still in active supply?

NSN 3120-00-287-6574 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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