PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LW-16143Bearing Half,sleeve

Textron Lycoming Inc Williamsport Plant · NSN 3120-00-988-5312 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-988-5312 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-988-5312. Primary manufacturer part number: LW-16143.
Features
  • Bearing Half,sleeve — FSC 3120
  • Locking Lug Height: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN
  • Material Document and Classification: UNABLE TO DECODE
  • Material: COPPER ALLOY INNER LAYER
  • Locking Lug Length: 0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
  • Style Designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Inner Layer construction
General Description

The Bearing Half,sleeve, cataloged under National Stock Number 3120-00-988-5312, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-988-5312
Primary Part NumberLW-16143
Item NameBearing Half,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Locking Lug Height0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN
Material Document and ClassificationUNABLE TO DECODE
MaterialCOPPER ALLOY INNER LAYER
Locking Lug Length0.1900 INCHES MINIMUM AND 0.2200 INCHES MAXIMUM IN
Style DesignatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
Distance From Lug End to End of Bearing0.1550 INCHES MINIMUM AND 0.1625 INCHES MAXIMUM IN
MaterialSTEEL COMP 1010 OUTER LAYER
Body Outside Diameter2.2860 INCHES MINIMUM AND 2.2885 INCHES MAXIMUM IN
Locking Lug Width0.1500 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
Material Document and ClassificationUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-102-2759 INTERCHANGEABLE
Gasket
4510-00-142-2600R7342 INTERCHANGEABLE
Tailpiece,waste Drain
Sanitary-Dash Mfg Co Inc
2910-00-360-8031 INTERCHANGEABLE
Rod
5965-00-661-046875547 INTERCHANGEABLE
Earphone Element
L3harris Technologies, Inc. Dba Harris Corporation
5995-01-469-934372217-5 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
5995-01-469-934872217-6 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
5995-01-469-935572217-7 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
5995-01-469-935972217-8 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
5995-01-470-462772217-9 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
5995-01-470-464772217-10 INTERCHANGEABLE
Cable Assembly,radio Frequency
Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic
Cross-Reference Index
Part NumberManufacturer
LW13209 Satair A/s (DNK)
LW13212 Textron Lycoming Inc Williamsport Plant (USA)
75547 Textron Lycoming Inc Williamsport Plant (USA)
72217 Textron Lycoming Inc Williamsport Plant (USA)
LW-16143 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5330-00-102-2759INTERCHANGEABLE
GASKET
4510-00-142-2600INTERCHANGEABLE
TAILPIECE,WASTE DRAIN
R7342
2910-00-360-8031INTERCHANGEABLE
ROD
5965-00-661-0468INTERCHANGEABLE
EARPHONE ELEMENT
75547
5995-01-469-9343INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-5
5995-01-469-9348INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-6
5995-01-469-9355INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-7
5995-01-469-9359INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-8
5995-01-470-4627INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-9
5995-01-470-4647INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-10
5995-01-470-4670INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-11
5995-01-470-4679INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
72217-12

Frequently Asked Questions

What is NSN 3120-00-988-5312?

NSN 3120-00-988-5312 is a Bearing Half,sleeve, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-988-5312?

NSN 3120-00-988-5312 has 5 cross-referenced part numbers: LW13209 (Satair A/s), LW13212 (Textron Lycoming Inc Williamsport Plant), 75547 (Textron Lycoming Inc Williamsport Plant), 72217 (Textron Lycoming Inc Williamsport Plant), LW-16143 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 3120-00-988-5312?

There are 12 known substitutes for 3120-00-988-5312: 5330-00-102-2759, 4510-00-142-2600, 2910-00-360-8031 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LW-16143?

Key specifications for LW-16143: Locking Lug Height: 0.0310 INCHES MINIMUM AND 0.0410 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Body Inside Diameter: 2.1258 INCHES MINIMUM AND 2.1273 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-988-5312 still in active supply?

NSN 3120-00-988-5312 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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