PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12568Bearing,sleeve

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 3120-00-661-8977 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-661-8977 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-661-8977. Primary manufacturer part number: 12568.
Features
  • Bearing,sleeve — FSC 3120
  • Lubricant Accommodation Style: GROOVED CLOSED BOTH ENDS
  • Body Outside Diameter: 2.8770 INCHES MINIMUM AND 2.8780 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Material: COPPER ALLOY OVERALL
  • Hole Diameter: 0.2500 INCHES NOMINAL FIRST IN
  • Corner Shape: SQUARE ALL CORNERS
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 3120-00-661-8977, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-661-8977
Primary Part Number12568
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusACTIVE
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS
Body Outside Diameter2.8770 INCHES MINIMUM AND 2.8780 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Antirotation/lubrication Type and Quantity2 HOLE
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.2500 INCHES NOMINAL FIRST IN
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter2.4990 INCHES MINIMUM AND 2.5010 INCHES MAXIMUM IN
Surface Groove Location and Quantity1 INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5110-00-203-4935 INTERCHANGEABLE
File,hand
5950-00-230-027812568 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
4320-00-423-0173125-68 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Dresser Industries Inc Leroi Div
5330-01-064-3352125-68 INTERCHANGEABLE
Packing
Rix Industries
5905-01-113-452558FL2-101 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Honeywell International Inc Dba Honeywell International Div New England Instrument (nei)
6660-01-162-807812-568 INTERCHANGEABLE
Screw,set
The Kimco Distributing Corp
2610-01-572-632612568 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
1005-01-632-203512568 INTERCHANGEABLE
Receiver,small Arms
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
5310-01-733-120912568 INTERCHANGEABLE
Nut,plain,hexagon
Marco Seattle Inc Dba Marco
Cross-Reference Index
Part NumberManufacturer
12568 PRIMARY Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
Related Parts
5110-00-203-4935INTERCHANGEABLE
FILE,HAND
5950-00-230-0278INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
12568
4320-00-423-0173INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
125-68
5330-01-064-3352INTERCHANGEABLE
PACKING
125-68
5905-01-113-4525INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
58FL2-101
6660-01-162-8078INTERCHANGEABLE
SCREW,SET
12-568
2610-01-572-6326INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12568
1005-01-632-2035INTERCHANGEABLE
RECEIVER,SMALL ARMS
12568
5310-01-733-1209INTERCHANGEABLE
NUT,PLAIN,HEXAGON
12568

Frequently Asked Questions

What is NSN 3120-00-661-8977?

NSN 3120-00-661-8977 is a Bearing,sleeve, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-661-8977?

NSN 3120-00-661-8977 has 1 cross-referenced part number: 12568 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).

What NSN replaces 3120-00-661-8977?

There are 9 known substitutes for 3120-00-661-8977: 5110-00-203-4935, 5950-00-230-0278, 4320-00-423-0173 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12568?

Key specifications for 12568: Lubricant Accommodation Style: GROOVED CLOSED BOTH ENDS; Overall Length: 3.2500 INCHES NOMINAL IN; Body Outside Diameter: 2.8770 INCHES MINIMUM AND 2.8780 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 10 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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