PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-368Bearing,sleeve

Dresser Industries Inc Leroi Div · NSN 3120-00-547-1376 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-547-1376 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-547-1376. Primary manufacturer part number: 21-368.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 1.1270 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 1.2500 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • 5 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
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 3120-00-547-1376, 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 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-547-1376
Primary Part Number21-368
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Body Inside Diameter1.1270 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter1.2500 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-224-596321-368 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
2590-00-884-57011881938 INTERCHANGEABLE
Switch,beam Selecting,headlight
Chrysler Realty Company Llc Dba Daimler Chrysler
5970-01-024-0090C11000-18 INTERCHANGEABLE
Insulation Sleeving,electrical
Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
5910-01-216-0882 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
4810-01-513-221321368-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5865-01-564-342721368 INTERCHANGEABLE
Sensor Data Retrieval Kit
Med-Eng, Llc
Cross-Reference Index
Part NumberManufacturer
21-368 Dresser, Llc (USA)
21-368 PRIMARY Dresser Industries Inc Leroi Div (USA)
610597 Aqua-Chem Inc Cleaver-Brooks Div (USA)
21-368 Dresser Industries Inc Waukesha Engine Div (USA)
610597 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
Related Parts
5999-00-224-5963INTERCHANGEABLE
CONTACT,ELECTRICAL
21-368
2590-00-884-5701INTERCHANGEABLE
SWITCH,BEAM SELECTING,HEADLIGHT
1881938
5970-01-024-0090INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
C11000-18
5910-01-216-0882INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
4810-01-513-2213INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21368-001
5865-01-564-3427INTERCHANGEABLE
SENSOR DATA RETRIEVAL KIT
21368

Frequently Asked Questions

What is NSN 3120-00-547-1376?

NSN 3120-00-547-1376 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 3120-00-547-1376?

NSN 3120-00-547-1376 has 5 cross-referenced part numbers: 21-368 (Dresser, Llc), 21-368 (Dresser Industries Inc Leroi Div), 610597 (Aqua-Chem Inc Cleaver-Brooks Div), 21-368 (Dresser Industries Inc Waukesha Engine Div), 610597 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).

What NSN replaces 3120-00-547-1376?

There are 6 known substitutes for 3120-00-547-1376: 5999-00-224-5963, 2590-00-884-5701, 5970-01-024-0090 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-368?

Key specifications for 21-368: Body Inside Diameter: 1.1270 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Body Outside Diameter: 1.2500 INCHES NOMINAL 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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