PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-261Bearing,sleeve

Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. · NSN 3120-01-199-4453 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-199-4453 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-199-4453. Primary manufacturer part number: 21-261.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 0.8450 INCHES MINIMUM AND 0.8480 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.6666 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: OIL LUBRICATING LUBRICATION
  • 4 verified cross-references
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 3120-01-199-4453, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-01-199-4453
Primary Part Number21-261
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAbb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter0.8450 INCHES MINIMUM AND 0.8480 INCHES MAXIMUM IN
Body Inside Diameter0.6666 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5307-00-206-4044212 INTERCHANGEABLE
Stud,plain
Industrial Technologies and Services Llc
5310-00-470-609321261 INTERCHANGEABLE
Nut,plain,hexagon
Dresser Industries Inc Waukesha Engine Div
2835-00-654-670321261 INTERCHANGEABLE
Pin Assembly,tie Down
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5330-00-840-6932695862 INTERCHANGEABLE
Gasket
Hamilton Sundstrand Corporation
2990-00-860-97981985 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5998-01-097-850521251H INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6550-01-234-50524321261 INTERCHANGEABLE
Culture Medium,soybean-Casein Di
Cardinal Health 200, Llc
4820-01-416-787831792 INTERCHANGEABLE
Piston,valve
Canyon Engineering Products, Inc.
4820-01-417-230421261-001 INTERCHANGEABLE
Valve,check
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-417-231231761 INTERCHANGEABLE
Seat,valve
Canyon Engineering Products, Inc.
Cross-Reference Index
Part NumberManufacturer
21-261 Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (USA)
HA2006A06 Baldor Electric Co (USA)
HA2006A06 Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc. (USA)
21-261 Baldor Electric Co (USA)
Related Parts
5307-00-206-4044INTERCHANGEABLE
STUD,PLAIN
212
5310-00-470-6093INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21261
2835-00-654-6703INTERCHANGEABLE
PIN ASSEMBLY,TIE DOWN
21261
5330-00-840-6932INTERCHANGEABLE
GASKET
695862
2990-00-860-9798INTERCHANGEABLE
MUFFLER,EXHAUST
1985
5998-01-097-8505INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21251H
6550-01-234-5052INTERCHANGEABLE
CULTURE MEDIUM,SOYBEAN-CASEIN DI
4321261
4820-01-416-7878INTERCHANGEABLE
PISTON,VALVE
31792
4820-01-417-2304INTERCHANGEABLE
VALVE,CHECK
21261-001
4820-01-417-2312INTERCHANGEABLE
SEAT,VALVE
31761
4820-01-429-8387INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
31791
6520-01-591-4615INTERCHANGEABLE
HANDPIECE,DENTAL
1007.5550

Frequently Asked Questions

What is NSN 3120-01-199-4453?

NSN 3120-01-199-4453 is a Bearing,sleeve, manufactured by Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-199-4453?

NSN 3120-01-199-4453 has 4 cross-referenced part numbers: 21-261 (Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.), HA2006A06 (Baldor Electric Co), HA2006A06 (Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.), 21-261 (Baldor Electric Co).

What NSN replaces 3120-01-199-4453?

There are 12 known substitutes for 3120-01-199-4453: 5307-00-206-4044, 5310-00-470-6093, 2835-00-654-6703 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-261?

Key specifications for 21-261: Material: COPPER ALLOY OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Body Outside Diameter: 0.8450 INCHES MINIMUM AND 0.8480 INCHES MAXIMUM IN; Body Inside Diameter: 0.6666 INCHES MINIMUM AND 0.6687 INCHES MAXIMUM IN. 7 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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