PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XB225-0250Bearing,sleeve

Atlas Brass Foundry Inc · NSN 3120-00-433-4678 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-433-4678 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-433-4678. Primary manufacturer part number: XB225-0250.
Features
  • Bearing,sleeve — FSC 3120
  • Material: OIL LUBRICATING LUBRICATION
  • Material: IRON ALLOY OVERALL
  • Nondefinitive Spec/std Data: 2 TYPE AND B COMPOSITION
  • Material Document and Classification: MIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Oil Lubricating Lubrication construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-433-4678, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Atlas Brass Foundry Inc. Government technical data includes 8 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-433-4678
Primary Part NumberXB225-0250
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAtlas Brass Foundry Inc
StatusACTIVE
MaterialOIL LUBRICATING LUBRICATION
MaterialIRON ALLOY OVERALL
Nondefinitive Spec/std Data2 TYPE AND B COMPOSITION
Material Document and ClassificationMIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
Body Outside Diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3120-00-516-1446P280-0500 INTERCHANGEABLE
Bearing,sleeve
Atlas Brass Foundry Inc
3120-00-528-5590 INTERCHANGEABLE
Bearing,sleeve
3120-00-661-7315S409 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
3120-00-661-7320S404 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
3120-00-661-7374S409-1 INTERCHANGEABLE
Bearing,sleeve
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-662-8177S408-4 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
Cross-Reference Index
Part NumberManufacturer
XB225-0250 Atlas Brass Foundry Inc (USA)
MILB5687TYPE2C0MP0SITI0NB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-00-516-1446INTERCHANGEABLE
BEARING,SLEEVE
P280-0500
3120-00-528-5590INTERCHANGEABLE
BEARING,SLEEVE
3120-00-661-7315INTERCHANGEABLE
BEARING,SLEEVE
S409
3120-00-661-7320INTERCHANGEABLE
BEARING,SLEEVE
S404
3120-00-661-7374INTERCHANGEABLE
BEARING,SLEEVE
S409-1
3120-00-662-8177INTERCHANGEABLE
BEARING,SLEEVE
S408-4

Frequently Asked Questions

What is NSN 3120-00-433-4678?

NSN 3120-00-433-4678 is a Bearing,sleeve, manufactured by Atlas Brass Foundry Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-433-4678?

NSN 3120-00-433-4678 has 2 cross-referenced part numbers: XB225-0250 (Atlas Brass Foundry Inc), MILB5687TYPE2C0MP0SITI0NB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-433-4678?

There are 6 known substitutes for 3120-00-433-4678: 3120-00-516-1446, 3120-00-528-5590, 3120-00-661-7315 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XB225-0250?

Key specifications for XB225-0250: Material: OIL LUBRICATING LUBRICATION; Material: IRON ALLOY OVERALL; Nondefinitive Spec/std Data: 2 TYPE AND B COMPOSITION; Material Document and Classification: MIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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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