PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

630AS140Bearing,sleeve

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 3120-00-661-5048 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-5048 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-5048. Primary manufacturer part number: 630AS140.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Body Inside Diameter: 0.3770 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.5015 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
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 3120-00-661-5048, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-661-5048
Primary Part Number630AS140
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusCANCELLED
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Body Inside Diameter0.3770 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN
Body Outside Diameter0.5015 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4930-00-244-4859 INTERCHANGEABLE
Pump,bucket,lubricating
4930-00-244-4860 INTERCHANGEABLE
Pump,bucket,lubricating
4730-01-010-02001688CY INTERCHANGEABLE
Fitting,lubrication
Alemite, Llc Dba Skf Usa Inc.
5950-01-422-9142B688 INTERCHANGEABLE
Transformer,power
Beta Transformer Technology Llc
Cross-Reference Index
Part NumberManufacturer
9150692 Us Army Aviation and Missile Command (USA)
AA50202 Beemer Precision Inc (USA)
630AS140 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
AB502-2 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
AAB502-2 Chrysler Corp Amplex Div (USA)
E159-307 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
B68-8 Altra Industrial Motion Corp. (USA)
AAB502-2 Beemer Precision Inc (USA)
Related Parts
4930-00-244-4859INTERCHANGEABLE
PUMP,BUCKET,LUBRICATING
4930-00-244-4860INTERCHANGEABLE
PUMP,BUCKET,LUBRICATING
4730-01-010-0200INTERCHANGEABLE
FITTING,LUBRICATION
1688CY
5950-01-422-9142INTERCHANGEABLE
TRANSFORMER,POWER
B688

Frequently Asked Questions

What is NSN 3120-00-661-5048?

NSN 3120-00-661-5048 is a Bearing,sleeve, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-661-5048?

NSN 3120-00-661-5048 has 8 cross-referenced part numbers: 9150692 (Us Army Aviation and Missile Command), AA50202 (Beemer Precision Inc), 630AS140 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), AB502-2 (Chrysler Realty Company Llc Dba Daimler Chrysler), AAB502-2 (Chrysler Corp Amplex Div) and 3 more.

What NSN replaces 3120-00-661-5048?

There are 4 known substitutes for 3120-00-661-5048: 4930-00-244-4859, 4930-00-244-4860, 4730-01-010-0200 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 630AS140?

Key specifications for 630AS140: Corner Shape: SQUARE ALL CORNERS; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-661-5048 still in active supply?

NSN 3120-00-661-5048 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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