PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21221Bearing,sleeve

Industrial Technologies and Services Llc · NSN 3120-00-367-1793 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-367-1793 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-367-1793. Primary manufacturer part number: 21221.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY 932 OVERALL
  • Slot Width: 0.1562 INCHES NOMINAL FIRST IN
  • Slot Length: 1.2500 INCHES NOMINAL FIRST IN
  • Body Outside Diameter: 1.1250 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Body Inside Diameter: 0.9875 INCHES NOMINAL IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-367-1793, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-367-1793
Primary Part Number21221
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
MaterialCOPPER ALLOY 932 OVERALL
Slot Width0.1562 INCHES NOMINAL FIRST IN
Slot Length1.2500 INCHES NOMINAL FIRST IN
Body Outside Diameter1.1250 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Surface Groove Location and Quantity1 INTERNAL
Body Inside Diameter0.9875 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Antirotation/lubrication Type and Quantity1 SLOT
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
6685-00-453-7109 INTERCHANGEABLE
Thermocouple,immersion
5315-00-758-731021221 INTERCHANGEABLE
Pin,shoulder,headless
Mason Electric Co. Dba Mason Controls
3040-01-033-777621221 INTERCHANGEABLE
Shaft,drive,flexible
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5342-01-144-3429531368-3 INTERCHANGEABLE
Clamp Assy,swing
Raytheon Company Dba Raytheon
4810-01-270-235321221 INTERCHANGEABLE
Actuator,electromechanical,rotar
Mark Industries
3450-01-412-643621221 INTERCHANGEABLE
Threading Machine,pipe and Bolt
Curtis-Toledo, Inc.
4820-01-416-457821221-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-416-595921221-1002-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-416-596121221-1001-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5133-01-443-308021221 INTERCHANGEABLE
Drill,twist
Time Fastener Co Inc
Cross-Reference Index
Part NumberManufacturer
215 Industrial Technologies and Services Llc (USA)
21221 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
6685-00-453-7109INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
5315-00-758-7310INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
21221
3040-01-033-7776INTERCHANGEABLE
SHAFT,DRIVE,FLEXIBLE
21221
5342-01-144-3429INTERCHANGEABLE
CLAMP ASSY,SWING
531368-3
4810-01-270-2353INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
21221
3450-01-412-6436INTERCHANGEABLE
THREADING MACHINE,PIPE AND BOLT
21221
4820-01-416-4578INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21221-001
3040-01-416-5959INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1002-1
3040-01-416-5961INTERCHANGEABLE
SHAFT,SHOULDERED
21221-1001-1
5133-01-443-3080INTERCHANGEABLE
DRILL,TWIST
21221
6150-01-485-9747INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 3120-00-367-1793?

NSN 3120-00-367-1793 is a Bearing,sleeve, manufactured by Industrial Technologies and Services Llc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-367-1793?

NSN 3120-00-367-1793 has 2 cross-referenced part numbers: 215 (Industrial Technologies and Services Llc), 21221 (Industrial Technologies and Services Llc).

What NSN replaces 3120-00-367-1793?

There are 11 known substitutes for 3120-00-367-1793: 6685-00-453-7109, 5315-00-758-7310, 3040-01-033-7776 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21221?

Key specifications for 21221: Material: COPPER ALLOY 932 OVERALL; Slot Width: 0.1562 INCHES NOMINAL FIRST IN; Slot Length: 1.2500 INCHES NOMINAL FIRST IN; Body Outside Diameter: 1.1250 INCHES NOMINAL IN. 11 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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