PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34310Bearing,sleeve

Goodrich Corporation Dba Trw Lucas Aerospace · NSN 3120-00-439-0075 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-439-0075 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-439-0075. Primary manufacturer part number: 34310.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.5606 INCHES MINIMUM AND 0.5611 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY 544 OVERALL
  • Surface Finish: 100.0 MICROINCHES OVERALL
  • Body Outside Diameter: 0.7280 INCHES MINIMUM AND 0.7380 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 544 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-439-0075, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Goodrich Corporation Dba Trw Lucas Aerospace. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-439-0075
Primary Part Number34310
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGoodrich Corporation Dba Trw Lucas Aerospace
StatusACTIVE
Body Inside Diameter0.5606 INCHES MINIMUM AND 0.5611 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY 544 OVERALL
Surface Finish100.0 MICROINCHES OVERALL
Body Outside Diameter0.7280 INCHES MINIMUM AND 0.7380 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5340-00-193-361992204 INTERCHANGEABLE
Strap,retaining
Telemechanics Inc
2520-00-471-0039A4481A INTERCHANGEABLE
Disk,clutch,vehicular
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
2805-00-497-688834310 INTERCHANGEABLE
Insert,engine Valve Seat
Safeguard Powertech Systems
3110-00-516-5289203TF INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
4310-00-580-7569N34310 INTERCHANGEABLE
Ring,piston
Leslie Controls, Inc. Dba Leslie Controls Inc
5306-00-806-851234310 INTERCHANGEABLE
Bolt,u
Daniel Edward W Co
3130-01-342-2801PPB10-5/8 INTERCHANGEABLE
Bearing Unit,ball
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
34310 Goodrich Corporation Dba Trw Lucas Aerospace (USA)
Related Parts
5340-00-193-3619INTERCHANGEABLE
STRAP,RETAINING
92204
2520-00-471-0039INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
A4481A
2805-00-497-6888INTERCHANGEABLE
INSERT,ENGINE VALVE SEAT
34310
3110-00-516-5289INTERCHANGEABLE
BEARING,BALL,ANNULAR
203TF
4310-00-580-7569INTERCHANGEABLE
RING,PISTON
N34310
5306-00-806-8512INTERCHANGEABLE
BOLT,U
34310
3130-01-342-2801INTERCHANGEABLE
BEARING UNIT,BALL
PPB10-5/8

Frequently Asked Questions

What is NSN 3120-00-439-0075?

NSN 3120-00-439-0075 is a Bearing,sleeve, manufactured by Goodrich Corporation Dba Trw Lucas Aerospace, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-439-0075?

NSN 3120-00-439-0075 has 1 cross-referenced part number: 34310 (Goodrich Corporation Dba Trw Lucas Aerospace).

What NSN replaces 3120-00-439-0075?

There are 7 known substitutes for 3120-00-439-0075: 5340-00-193-3619, 2520-00-471-0039, 2805-00-497-6888 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34310?

Key specifications for 34310: Body Inside Diameter: 0.5606 INCHES MINIMUM AND 0.5611 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Corner Shape: SQUARE ALL CORNERS; Overall Length: 0.2090 INCHES MINIMUM AND 0.2140 INCHES MAXIMUM IN. 7 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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