PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H12257Bearing,sleeve

Hollingsworth John R Co · NSN 3120-00-141-9477 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-141-9477 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-141-9477. Primary manufacturer part number: H12257.
Features
  • Bearing,sleeve — FSC 3120
  • Flange Width: 0.0938 INCHES NOMINAL IN
  • Body Inside Diameter: 1.5030 INCHES NOMINAL IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
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 3120-00-141-9477, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Hollingsworth John R Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-141-9477
Primary Part NumberH12257
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerHollingsworth John R Co
StatusACTIVE
Flange Width0.0938 INCHES NOMINAL IN
Body Inside Diameter1.5030 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter1.7520 INCHES NOMINAL IN
Flange Outside Diameter2.0000 INCHES NOMINAL IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5360-01-200-1952H12257 INTERCHANGEABLE
Spring,helical,compression
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
H12257 Hollingsworth John R Co (USA)
Related Parts
5360-01-200-1952INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H12257

Frequently Asked Questions

What is NSN 3120-00-141-9477?

NSN 3120-00-141-9477 is a Bearing,sleeve, manufactured by Hollingsworth John R Co, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-141-9477?

NSN 3120-00-141-9477 has 1 cross-referenced part number: H12257 (Hollingsworth John R Co).

What NSN replaces 3120-00-141-9477?

There is 1 known substitute for 3120-00-141-9477: 5360-01-200-1952. Verify interchangeability with system specifications before substitution.

What are the specifications of H12257?

Key specifications for H12257: Flange Width: 0.0938 INCHES NOMINAL IN; Body Inside Diameter: 1.5030 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 13 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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