PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

S4902-405945PC42Bushing,sleeve

Naval Ship Systems Command · NSN 3120-00-339-2531 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-339-2531 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-339-2531. Primary manufacturer part number: S4902-405945PC42.
Features
  • Bushing,sleeve — FSC 3120
  • Surface Groove Location and Quantity: 1 EXTERNAL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Surface Finish: 63.0 MICROINCHES INTERMEDIATE LAYER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Bushing,sleeve, cataloged under National Stock Number 3120-00-339-2531, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-339-2531
Primary Part NumberS4902-405945PC42
Item NameBushing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Surface Groove Location and Quantity1 EXTERNAL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Surface Finish63.0 MICROINCHES INTERMEDIATE LAYER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Outside Diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
Body Inside Diameter0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
Flange Width0.1470 INCHES MINIMUM AND 0.1500 INCHES MAXIMUM IN
Flange Outside Diameter1.2500 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED CIRCULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
185823PC616 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185822PC616 Siemens Energy, Inc. Dba Dresser-Rand (USA)
188403PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185413PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
184649PC28 Siemens Energy, Inc. Dba Dresser-Rand (USA)
187972PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
166404PC28 Siemens Energy, Inc. Dba Dresser-Rand (USA)
186338PC28 Siemens Energy, Inc. Dba Dresser-Rand (USA)
189129PC616 Siemens Energy, Inc. Dba Dresser-Rand (USA)
189020APC616 Siemens Energy, Inc. Dba Dresser-Rand (USA)
187684PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
187681PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
166407PC28 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
185822PC616 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
187682PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185414PC42 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
189021PC616 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
187971PC42 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
187682PC42 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
166434PC42 Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts in Bearings
3120-00-001-1288
NO ITEM NAME AVAILABLE
3120-00-001-1835
NO ITEM NAME AVAILABLE
3120-00-001-1838
NO ITEM NAME AVAILABLE
3120-00-001-1928
NO ITEM NAME AVAILABLE
3120-00-001-1934
NO ITEM NAME AVAILABLE
3120-00-001-3933
NO ITEM NAME AVAILABLE
3120-00-001-3937
NO ITEM NAME AVAILABLE
3120-00-001-3938
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 3120-00-339-2531?

NSN 3120-00-339-2531 is a Bushing,sleeve, manufactured by Naval Ship Systems Command, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-339-2531?

NSN 3120-00-339-2531 has 50 cross-referenced part numbers: 185823PC616 (Siemens Energy, Inc. Dba Dresser-Rand), 185822PC616 (Siemens Energy, Inc. Dba Dresser-Rand), 188403PC42 (Siemens Energy, Inc. Dba Dresser-Rand), 185413PC42 (Siemens Energy, Inc. Dba Dresser-Rand), 184649PC28 (Siemens Energy, Inc. Dba Dresser-Rand) and 45 more.

What are the specifications of S4902-405945PC42?

Key specifications for S4902-405945PC42: Surface Groove Location and Quantity: 1 EXTERNAL; Material: COPPER ALLOY OVERALL; Special Features: FOUR GROOVES ON FLANGE FACE 0.125 IN. WIDE 0.0312 IN.DEEP IN; Corner Shape: SQUARE LEFT FLANGE BODY CORNER. 17 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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