PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LCSSVV4ABearing,plain,self-Aligning

Roller Bearing Company of America, Inc. · NSN 3120-00-051-9979 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-051-9979 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-051-9979. Primary manufacturer part number: LCSSVV4A.
Features
  • Bearing,plain,self-Aligning — FSC 3120
  • Outer Member Width: 0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN
  • Inner Member Width: 0.2810 INCHES NOMINAL IN
  • Material: STEEL COMP 303 OUTER RACE MEMBER
  • Material: STEEL INNER MEMBER
  • Style Designator: WITHOUT INSERT OR LINER
  • Outer Member Outside Diameter: 0.4350 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
  • Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 303 Outer Race Member construction
General Description

The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-051-9979, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-051-9979
Primary Part NumberLCSSVV4A
Item NameBearing,plain,self-Aligning
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Company of America, Inc.
StatusACTIVE
Outer Member Width0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN
Inner Member Width0.2810 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OUTER RACE MEMBER
MaterialSTEEL INNER MEMBER
Style DesignatorWITHOUT INSERT OR LINER
Outer Member Outside Diameter0.4350 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Bore Diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5999-00-387-3143 INTERCHANGEABLE
Contact Assembly,electrical
Cross-Reference Index
Part NumberManufacturer
9-2061-2B Roller Bearing Company of America, Inc. (USA)
9-2061-2 Roller Bearing Company of America, Inc. (USA)
565497 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
LCSSVV4A PRIMARY Roller Bearing Company of America, Inc. (USA)
Related Parts
5999-00-387-3143INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL

Frequently Asked Questions

What is NSN 3120-00-051-9979?

NSN 3120-00-051-9979 is a Bearing,plain,self-Aligning, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-051-9979?

NSN 3120-00-051-9979 has 4 cross-referenced part numbers: 9-2061-2B (Roller Bearing Company of America, Inc.), 9-2061-2 (Roller Bearing Company of America, Inc.), 565497 (Hamilton Sundstrand Corporation Dba Collins Aerospace), LCSSVV4A (Roller Bearing Company of America, Inc.).

What NSN replaces 3120-00-051-9979?

There is 1 known substitute for 3120-00-051-9979: 5999-00-387-3143. Verify interchangeability with system specifications before substitution.

What are the specifications of LCSSVV4A?

Key specifications for LCSSVV4A: Outer Member Width: 0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN; Inner Member Width: 0.2810 INCHES NOMINAL IN; Material: STEEL COMP 303 OUTER RACE MEMBER; Material: STEEL INNER MEMBER. 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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