PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-358Bearing,sleeve

Dresser Industries Inc Leroi Div · NSN 3120-00-423-0832 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-423-0832 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-423-0832. Primary manufacturer part number: 21-358.
Features
  • Bearing,sleeve — FSC 3120
  • Material: TIN ALLOY INNER LAYER
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 2.4585 INCHES MINIMUM AND 2.4595 INCHES MAXIMUM IN
  • Style Designator: SEGMENTED, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 2.3862 INCHES MINIMUM AND 2.3875 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Tin Alloy Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-423-0832, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-423-0832
Primary Part Number21-358
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
MaterialTIN ALLOY INNER LAYER
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter2.4585 INCHES MINIMUM AND 2.4595 INCHES MAXIMUM IN
Style DesignatorSEGMENTED, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter2.3862 INCHES MINIMUM AND 2.3875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6625-00-161-182621358 INTERCHANGEABLE
Ohmmeter
Avo Intl
5905-00-475-05736017981 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
International Business Machines Corp Parts Order Center Dept E - 54
2910-00-570-96517041861 INTERCHANGEABLE
Carburetor,float
General Motors Llc Dba General Motors Llc
5950-01-072-225921358 INTERCHANGEABLE
Transformer,power
Elbitamerica, Inc.
5360-01-190-621521358 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5985-01-426-481721358 INTERCHANGEABLE
Mast Section
L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation
5330-01-492-816421358 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-01-514-865421358-1014-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
1005-01-542-746521358 INTERCHANGEABLE
Mount,sight,small Arms
Charles Reed Knight Jr Dba Knight's Armament Company
4810-01-545-078921358-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21-358 PRIMARY Dresser Industries Inc Leroi Div (USA)
21-358 Dresser Industries Inc Waukesha Engine Div (USA)
Related Parts
6625-00-161-1826INTERCHANGEABLE
OHMMETER
21358
5905-00-475-0573INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
6017981
2910-00-570-9651INTERCHANGEABLE
CARBURETOR,FLOAT
7041861
5950-01-072-2259INTERCHANGEABLE
TRANSFORMER,POWER
21358
5360-01-190-6215INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21358
5985-01-426-4817INTERCHANGEABLE
MAST SECTION
21358
5330-01-492-8164INTERCHANGEABLE
SEAL,PLAIN ENCASED
21358
4820-01-514-8654INTERCHANGEABLE
PISTON,VALVE
21358-1014-1
1005-01-542-7465INTERCHANGEABLE
MOUNT,SIGHT,SMALL ARMS
21358
4810-01-545-0789INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21358-001

Frequently Asked Questions

What is NSN 3120-00-423-0832?

NSN 3120-00-423-0832 is a Bearing,sleeve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-423-0832?

NSN 3120-00-423-0832 has 2 cross-referenced part numbers: 21-358 (Dresser Industries Inc Leroi Div), 21-358 (Dresser Industries Inc Waukesha Engine Div).

What NSN replaces 3120-00-423-0832?

There are 10 known substitutes for 3120-00-423-0832: 6625-00-161-1826, 5905-00-475-0573, 2910-00-570-9651 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-358?

Key specifications for 21-358: Material: TIN ALLOY INNER LAYER; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.4585 INCHES MINIMUM AND 2.4595 INCHES MAXIMUM IN; Overall Length: 1.0550 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN. 6 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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