PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XB237-0500Bearing,sleeve

Atlas Brass Foundry Inc · NSN 3120-00-516-1446 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-516-1446 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-516-1446. Primary manufacturer part number: XB237-0500.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: IRON ALLOY OVERALL
  • Material Document and Classification: MIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 0.2790 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
  • Nondefinitive Spec/std Data: 2 TYPE AND B COMPOSITION
  • Material: OIL LUBRICATING LUBRICATION
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Iron Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-516-1446, 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 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-516-1446
Primary Part NumberXB237-0500
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAtlas Brass Foundry Inc
StatusCANCELLED
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialIRON ALLOY OVERALL
Material Document and ClassificationMIL-B-5687,COMP B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter0.2790 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
Nondefinitive Spec/std Data2 TYPE AND B COMPOSITION
MaterialOIL LUBRICATING LUBRICATION
Body Outside Diameter0.5030 INCHES MINIMUM AND 0.5040 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3120-00-433-4678 INTERCHANGEABLE
Bearing,sleeve
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
XB237-0500 PRIMARY Atlas Brass Foundry Inc (USA)
P280-0500 PRIMARY Atlas Brass Foundry Inc (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB5687TYPE2C0MP0SITI0NB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3120-00-433-4678INTERCHANGEABLE
BEARING,SLEEVE
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 3120-00-516-1446?

NSN 3120-00-516-1446 is a Bearing,sleeve, manufactured by Atlas Brass Foundry Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-516-1446?

NSN 3120-00-516-1446 has 4 cross-referenced part numbers: XB237-0500 (Atlas Brass Foundry Inc), P280-0500 (Atlas Brass Foundry Inc), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILB5687TYPE2C0MP0SITI0NB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3120-00-516-1446?

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

What are the specifications of XB237-0500?

Key specifications for XB237-0500: Corner Shape: SQUARE ALL CORNERS; Overall Length: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material: IRON ALLOY OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-516-1446 still in active supply?

NSN 3120-00-516-1446 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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