PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF620Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-661-6918 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-6918 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-6918. Primary manufacturer part number: FF620.
Features
  • Bearing,sleeve — FSC 3120
  • Material: LUBRICANT LUBRICATION
  • Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Body Inside Diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Lubricant Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-661-6918, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Beemer Precision Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-6918
Primary Part NumberFF620
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
MaterialLUBRICANT LUBRICATION
Body Outside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Inside Diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
MaterialCOPPER ALLOY OVERALL
Flange Width0.0600 INCHES MINIMUM AND 0.0650 INCHES MAXIMUM IN
Flange Outside Diameter0.8725 INCHES MINIMUM AND 0.8775 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3990-00-542-280951139 INTERCHANGEABLE
Brake,floor,wheeled Equipment
Aerol Llc
6635-00-786-803329-4342 INTERCHANGEABLE
Plate,field Density
Hach Company Dba Hach Co
Cross-Reference Index
Part NumberManufacturer
FF620 PRIMARY Beemer Precision Inc (USA)
FF620 Eagle-Picher Industries Inc Kingwell Div (USA)
FF620 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
SLF517-11 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
F620 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
905J535-4 Westinghouse Electric Corp (USA)
FF620 Chrysler Corp Amplex Div (USA)
F620 Chrysler Corp Amplex Div (USA)
Related Parts
3990-00-542-2809INTERCHANGEABLE
BRAKE,FLOOR,WHEELED EQUIPMENT
51139
6635-00-786-8033INTERCHANGEABLE
PLATE,FIELD DENSITY
29-4342

Frequently Asked Questions

What is NSN 3120-00-661-6918?

NSN 3120-00-661-6918 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-6918?

NSN 3120-00-661-6918 has 8 cross-referenced part numbers: FF620 (Beemer Precision Inc), FF620 (Eagle-Picher Industries Inc Kingwell Div), FF620 (Chrysler Realty Company Llc Dba Daimler Chrysler), SLF517-11 (Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc), F620 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 3 more.

What NSN replaces 3120-00-661-6918?

There are 2 known substitutes for 3120-00-661-6918: 3990-00-542-2809, 6635-00-786-8033. Verify interchangeability with system specifications before substitution.

What are the specifications of FF620?

Key specifications for FF620: Material: LUBRICANT LUBRICATION; Body Outside Diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN; Overall Length: 0.6875 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-6918 still in active supply?

NSN 3120-00-661-6918 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.
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