PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-427Bearing,sleeve

Dresser Industries Inc Leroi Div · NSN 3120-00-938-5790 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-938-5790 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-938-5790. Primary manufacturer part number: 21-427.
Features
  • Bearing,sleeve — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Dresser Industries Inc Leroi Div
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-938-5790, 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. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersDresser, Llc (CAGE 64104); Dresser Industries Inc Leroi Div (CAGE 35301)
Technical Specifications
ParameterValue
NSN3120-00-938-5790
Primary Part Number21-427
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerDresser Industries Inc Leroi Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-066-560621427 INTERCHANGEABLE
Seat,valve
Schneider Electric Systems Usa Inc
5935-00-125-06902142-7 INTERCHANGEABLE
Jack,tip
Fluke Electronics Corp
5910-00-847-5583160P47304 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Sprague Electric Co World Hqs
5360-00-856-4760800108 INTERCHANGEABLE
Spring,helical,compression
L3harris Cincinnati Electronics Corporation
2920-01-240-2797PS-1464S INTERCHANGEABLE
Housing,engine Drive,electrical
Prestolite Electric Inc
5950-01-263-51892914642-1 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon Co
6515-01-541-062980-0108 INTERCHANGEABLE
Bag,mariners Casualty Response
North American Rescue, Llc
3950-01-674-1508800191 INTERCHANGEABLE
Winch,drum,hand Operated
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
800108 Dresser, Llc (USA)
21-427 PRIMARY Dresser Industries Inc Leroi Div (USA)
Related Parts
4820-00-066-5606INTERCHANGEABLE
SEAT,VALVE
21427
5935-00-125-0690INTERCHANGEABLE
JACK,TIP
2142-7
5910-00-847-5583INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
160P47304
5360-00-856-4760INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
800108
2920-01-240-2797INTERCHANGEABLE
HOUSING,ENGINE DRIVE,ELECTRICAL
PS-1464S
5950-01-263-5189INTERCHANGEABLE
COIL,RADIO FREQUENCY
2914642-1
6515-01-541-0629INTERCHANGEABLE
BAG,MARINERS CASUALTY RESPONSE
80-0108
3950-01-674-1508INTERCHANGEABLE
WINCH,DRUM,HAND OPERATED
800191

Frequently Asked Questions

What is NSN 3120-00-938-5790?

NSN 3120-00-938-5790 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 3120-00-938-5790?

NSN 3120-00-938-5790 has 2 cross-referenced part numbers: 800108 (Dresser, Llc), 21-427 (Dresser Industries Inc Leroi Div).

What NSN replaces 3120-00-938-5790?

There are 8 known substitutes for 3120-00-938-5790: 4820-00-066-5606, 5935-00-125-0690, 5910-00-847-5583 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com