PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520580Bearing,sleeve

Renk America Llc Div Renk America · NSN 3120-00-562-0129 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-562-0129 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-562-0129. Primary manufacturer part number: 520580.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 1.5800 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN
  • Hardness Rating: 65.0 ROCKWELL F MINIMUM OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 125.0 MICROINCHES RIGHT END SURFACE OF BODY
  • Material: COPPER ALLOY 937 OVERALL
  • Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-562-0129, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-562-0129
Primary Part Number520580
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRenk America Llc Div Renk America
StatusACTIVE
Body Inside Diameter1.5800 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN
Hardness Rating65.0 ROCKWELL F MINIMUM OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish125.0 MICROINCHES RIGHT END SURFACE OF BODY
MaterialCOPPER ALLOY 937 OVERALL
Surface Finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish125.0 MICROINCHES LEFT END SURFACE OF BODY
Surface Finish125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Corner ShapeCHAMFERED ALL CORNERS
Body Outside Diameter1.9385 INCHES MINIMUM AND 1.9395 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-274-450211A2233 INTERCHANGEABLE
Cup,hydraulic Brake Cylinder
Napco International Llc Dba Napco International Inc
2540-01-302-7408520580 INTERCHANGEABLE
Anchor Kit,automobile Seat Belt
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
520580 PRIMARY Renk America Llc Div Renk America (USA)
8698770 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
2530-00-274-4502INTERCHANGEABLE
CUP,HYDRAULIC BRAKE CYLINDER
11A2233
2540-01-302-7408INTERCHANGEABLE
ANCHOR KIT,AUTOMOBILE SEAT BELT
520580

Frequently Asked Questions

What is NSN 3120-00-562-0129?

NSN 3120-00-562-0129 is a Bearing,sleeve, manufactured by Renk America Llc Div Renk America, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-562-0129?

NSN 3120-00-562-0129 has 2 cross-referenced part numbers: 520580 (Renk America Llc Div Renk America), 8698770 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 3120-00-562-0129?

There are 2 known substitutes for 3120-00-562-0129: 2530-00-274-4502, 2540-01-302-7408. Verify interchangeability with system specifications before substitution.

What are the specifications of 520580?

Key specifications for 520580: Body Inside Diameter: 1.5800 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN; Overall Length: 0.8700 INCHES MINIMUM AND 0.8900 INCHES MAXIMUM IN; Hardness Rating: 65.0 ROCKWELL F MINIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 12 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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