PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B4048-24Bearing,sleeve

Altra Industrial Motion Corp. · NSN 3120-00-521-9036 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-521-9036 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-521-9036. Primary manufacturer part number: B4048-24.
Features
  • Bearing,sleeve — FSC 3120
  • Material: LUBRICANT LUBRICATION
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 2.5020 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN
  • 9 verified cross-references
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 3120-00-521-9036, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Altra Industrial Motion Corp.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-521-9036
Primary Part NumberB4048-24
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAltra Industrial Motion Corp.
StatusACTIVE
MaterialLUBRICANT LUBRICATION
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter2.5020 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5841-00-623-2284A30051 INTERCHANGEABLE
Power Supply Assy
Bae Systems Information and Electronic Systems Integration Inc.
6530-00-852-4751 INTERCHANGEABLE
Irrigation Kit,patient
6530-00-865-1950DYND20302 INTERCHANGEABLE
Irrigation Kit,patient
Medline Industries, Lp
Cross-Reference Index
Part NumberManufacturer
046701-9 Sea Cure Technology, Inc (USA)
B4048-24 PRIMARY Altra Industrial Motion Corp. (USA)
SS8096 48 Symmco Inc (USA)
046701-3 Uniflite Inc (USA)
AA-3005-1 Beemer Precision Inc (USA)
AA-3005-1 Chrysler Corp Amplex Div (USA)
A3005-1 Chrysler Corp Amplex Div (USA)
8489228 Us Army Aviation and Missile Command (USA)
A3005-1 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5841-00-623-2284INTERCHANGEABLE
POWER SUPPLY ASSY
A30051
6530-00-852-4751INTERCHANGEABLE
IRRIGATION KIT,PATIENT
6530-00-865-1950INTERCHANGEABLE
IRRIGATION KIT,PATIENT
DYND20302

Frequently Asked Questions

What is NSN 3120-00-521-9036?

NSN 3120-00-521-9036 is a Bearing,sleeve, manufactured by Altra Industrial Motion Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-521-9036?

NSN 3120-00-521-9036 has 9 cross-referenced part numbers: 046701-9 (Sea Cure Technology, Inc), B4048-24 (Altra Industrial Motion Corp.), SS8096 48 (Symmco Inc), 046701-3 (Uniflite Inc), AA-3005-1 (Beemer Precision Inc) and 4 more.

What NSN replaces 3120-00-521-9036?

There are 3 known substitutes for 3120-00-521-9036: 5841-00-623-2284, 6530-00-852-4751, 6530-00-865-1950. Verify interchangeability with system specifications before substitution.

What are the specifications of B4048-24?

Key specifications for B4048-24: Material: LUBRICANT LUBRICATION; Material: COPPER ALLOY OVERALL; Body Outside Diameter: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 7 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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