PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2568SPC80Bearing,sleeve

Lake Shore Systems, Inc. · NSN 3120-00-287-9982 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-9982 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-9982. Primary manufacturer part number: 2568SPC80.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 5.3760 INCHES MINIMUM AND 5.3770 INCHES MAXIMUM IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Groove Location and Quantity: 1 INTERNAL
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 937 OVERALL
  • Lubricant Accommodation Style: GROOVED CLOSED BOTH ENDS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 937 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-287-9982, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-287-9982
Primary Part Number2568SPC80
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Body Outside Diameter5.3760 INCHES MINIMUM AND 5.3770 INCHES MAXIMUM IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Groove Location and Quantity1 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 937 OVERALL
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS
Body Inside Diameter5.0050 INCHES MINIMUM AND 5.0100 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-061-51295A INTERCHANGEABLE
Sleeve,shaft,pump
Grundfos Cbs, Inc Dba Paco Pumps
6625-00-062-22885A INTERCHANGEABLE
Detecting Element,directional Co
Bird Electronic Corporation Div Bird Electronic Corp
6645-00-168-0778 INTERCHANGEABLE
Cam
3460-00-203-996757-042 INTERCHANGEABLE
Grinding Machine,machine Tool at
Dumore Corporation
5120-00-399-23958035432 INTERCHANGEABLE
Wrench,valve Guide
General Motors Corp
5995-00-475-2315H5995-475-2315 INTERCHANGEABLE
Cable Assembly,power,electrical
Naval Inventory Control Point Mechanicsburg
5920-00-518-1789 INTERCHANGEABLE
Fuse,cartridge
5130-00-605-3915 INTERCHANGEABLE
Sander-Polisher,translatory Acti
4920-00-842-08285A INTERCHANGEABLE
Transmission,variab
Graham Co Inc
6850-00-856-6632 INTERCHANGEABLE
Desiccant,activated
Cross-Reference Index
Part NumberManufacturer
504998PC80 Naval Ship Systems Command (USA)
2657-7-80 Lake Shore Systems, Inc. (USA)
2206PC80 Lake Shore Systems, Inc. (USA)
WD169 White Farm Equipment Co Sub of Tic Investment Inc (USA)
2206CPC80 Lake Shore Systems, Inc. (USA)
S8201-838078PC80 Naval Ship Systems Command (USA)
2110PC80 Lake Shore Systems, Inc. (USA)
2568SPC80 PRIMARY Lake Shore Systems, Inc. (USA)
5A Lake Shore Systems, Inc. (USA)
WD107PC80 Lake Shore Systems, Inc. (USA)
S8201-653942PC80 Naval Ship Systems Command (USA)
S8201-653940PC80 Naval Ship Systems Command (USA)
Related Parts
4320-00-061-5129INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
5A
6625-00-062-2288INTERCHANGEABLE
DETECTING ELEMENT,DIRECTIONAL CO
5A
6645-00-168-0778INTERCHANGEABLE
CAM
3460-00-203-9967INTERCHANGEABLE
GRINDING MACHINE,MACHINE TOOL AT
57-042
5120-00-399-2395INTERCHANGEABLE
WRENCH,VALVE GUIDE
8035432
5995-00-475-2315INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
H5995-475-2315
5920-00-518-1789INTERCHANGEABLE
FUSE,CARTRIDGE
5130-00-605-3915INTERCHANGEABLE
SANDER-POLISHER,TRANSLATORY ACTI
4920-00-842-0828INTERCHANGEABLE
TRANSMISSION,VARIAB
5A
6850-00-856-6632INTERCHANGEABLE
DESICCANT,ACTIVATED
6625-01-016-8694INTERCHANGEABLE
LEAD,TEST
P6062B OPT 01
3610-01-057-9498INTERCHANGEABLE
KNOB,ACTUATE

Frequently Asked Questions

What is NSN 3120-00-287-9982?

NSN 3120-00-287-9982 is a Bearing,sleeve, manufactured by Lake Shore Systems, Inc., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-287-9982?

NSN 3120-00-287-9982 has 12 cross-referenced part numbers: 504998PC80 (Naval Ship Systems Command), 2657-7-80 (Lake Shore Systems, Inc.), 2206PC80 (Lake Shore Systems, Inc.), WD169 (White Farm Equipment Co Sub of Tic Investment Inc), 2206CPC80 (Lake Shore Systems, Inc.) and 7 more.

What NSN replaces 3120-00-287-9982?

There are 12 known substitutes for 3120-00-287-9982: 4320-00-061-5129, 6625-00-062-2288, 6645-00-168-0778 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2568SPC80?

Key specifications for 2568SPC80: Body Outside Diameter: 5.3760 INCHES MINIMUM AND 5.3770 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Surface Groove Location and Quantity: 1 INTERNAL; Corner Shape: SQUARE ALL CORNERS. 9 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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