PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4227Bearing,sleeve

Clark Material Handling Company · NSN 3120-00-661-9121 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-9121 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-9121. Primary manufacturer part number: 4227.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-B-13506 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER
  • Material: COPPER ALLOY INNER LAYER
  • Body Outside Diameter: 1.9080 INCHES MINIMUM AND 1.9210 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.8180 INCHES MINIMUM AND 1.8210 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Inner Layer construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-9121, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Clark Material Handling Company. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-9121
Primary Part Number4227
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerClark Material Handling Company
StatusCANCELLED
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-13506 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER
MaterialCOPPER ALLOY INNER LAYER
Body Outside Diameter1.9080 INCHES MINIMUM AND 1.9210 INCHES MAXIMUM IN
Body Inside Diameter1.8180 INCHES MINIMUM AND 1.8210 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
MaterialSTEEL COMP 1010 OUTER LAYER
Lubricant Accommodation StyleINDENTED BALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-152-866602B613202 INTERCHANGEABLE
Switch,thermostatic
Emerson Electric Co White Rodgers Co Div
4730-00-196-2067A733S-6CFB INTERCHANGEABLE
Nipple,pipe
American Society for Testing and Materials Dba Astm International
3030-00-725-28562370-2 INTERCHANGEABLE
Belts,v,matched Set
Gates Corporation
4310-00-733-38104227 INTERCHANGEABLE
Diaphragm,unloader
Saylor-Beall Manufacturing Company
5950-00-806-3425722810-7REVB INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
5310-00-840-5873 INTERCHANGEABLE
Nut,plain,hexagon
2920-00-976-0539480178 INTERCHANGEABLE
Drive,engine,electrical Starter
Purolator Products Co Div Motor Components, Llc
5940-01-044-360259P44-032 INTERCHANGEABLE
Terminal Board
Vector Electronics & Technology Inc
5330-01-059-0036422-7 INTERCHANGEABLE
Seal
Nav-Aids Ltd
6505-01-178-7903NDC72458-0128-02 INTERCHANGEABLE
Pyridostigmine Bromide Tablets
Bausch & Lomb Americas Inc.
Cross-Reference Index
Part NumberManufacturer
4227 PRIMARY Clark Material Handling Company (USA)
4227 Clark Equipment Co (USA)
900713 Sasco Inc Canadian Div
Related Parts
5930-00-152-8666INTERCHANGEABLE
SWITCH,THERMOSTATIC
02B613202
4730-00-196-2067INTERCHANGEABLE
NIPPLE,PIPE
A733S-6CFB
3030-00-725-2856INTERCHANGEABLE
BELTS,V,MATCHED SET
2370-2
4310-00-733-3810INTERCHANGEABLE
DIAPHRAGM,UNLOADER
4227
5950-00-806-3425INTERCHANGEABLE
TRANSFORMER,POWER
722810-7REVB
5310-00-840-5873INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2920-00-976-0539INTERCHANGEABLE
DRIVE,ENGINE,ELECTRICAL STARTER
480178
5940-01-044-3602INTERCHANGEABLE
TERMINAL BOARD
59P44-032
5330-01-059-0036INTERCHANGEABLE
SEAL
422-7
6505-01-178-7903INTERCHANGEABLE
PYRIDOSTIGMINE BROMIDE TABLETS
NDC72458-0128-02
5340-01-412-2120INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
6195910
5305-01-615-5459INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
900713

Frequently Asked Questions

What is NSN 3120-00-661-9121?

NSN 3120-00-661-9121 is a Bearing,sleeve, manufactured by Clark Material Handling Company, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-9121?

NSN 3120-00-661-9121 has 3 cross-referenced part numbers: 4227 (Clark Material Handling Company), 4227 (Clark Equipment Co), 900713 (Sasco Inc Canadian Div).

What NSN replaces 3120-00-661-9121?

There are 12 known substitutes for 3120-00-661-9121: 5930-00-152-8666, 4730-00-196-2067, 3030-00-725-2856 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4227?

Key specifications for 4227: Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-B-13506 MIL SPEC SINGLE MATERIAL RESPONSE INNER LAYER; Material: COPPER ALLOY INNER LAYER; Body Outside Diameter: 1.9080 INCHES MINIMUM AND 1.9210 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-9121 still in active supply?

NSN 3120-00-661-9121 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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