PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BB1056Bearing,sleeve

Bae Systems Information and Electronic Systems Integration Inc. · NSN 3120-00-294-1008 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-294-1008 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-294-1008. Primary manufacturer part number: BB1056.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Material: COPPER ALLOY OVERALL
  • Material: LUBRICANT LUBRICATION
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 3120-00-294-1008, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-294-1008
Primary Part NumberBB1056
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusCANCELLED
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
MaterialCOPPER ALLOY OVERALL
MaterialLUBRICANT LUBRICATION
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Flange Width0.0585 INCHES MINIMUM AND 0.0655 INCHES MAXIMUM IN
Flange Outside Diameter0.4975 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
Body Inside Diameter0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
Body Outside Diameter0.4385 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5325-00-449-30611206-435-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5305-00-988-1171 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
F435 Chrysler Corp Amplex Div (USA)
F435 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
BB1056 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
Related Parts
5325-00-449-3061INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1206-435-Z3C
5305-00-988-1171INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 3120-00-294-1008?

NSN 3120-00-294-1008 is a Bearing,sleeve, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-294-1008?

NSN 3120-00-294-1008 has 3 cross-referenced part numbers: F435 (Chrysler Corp Amplex Div), F435 (Chrysler Realty Company Llc Dba Daimler Chrysler), BB1056 (Bae Systems Information and Electronic Systems Integration Inc.).

What NSN replaces 3120-00-294-1008?

There are 2 known substitutes for 3120-00-294-1008: 5325-00-449-3061, 5305-00-988-1171. Verify interchangeability with system specifications before substitution.

What are the specifications of BB1056?

Key specifications for BB1056: Corner Shape: SQUARE INSIDE LEFT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-294-1008 still in active supply?

NSN 3120-00-294-1008 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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