PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12872Bearing,sleeve

Napco International Llc Dba Napco International Inc · NSN 3120-00-293-5839 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-293-5839 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-293-5839. Primary manufacturer part number: 12872.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Surface Groove Location and Quantity: 4 INTERNAL AND 2 INTERNAL
  • Corner Shape: SQUARE ALL CORNERS
  • Hardness Rating: 82.0 BRINELL STANDARD MINIMUM AND 94.0 BRINELL STANDARD MAXIMUM OVERALL
  • Material: COPPER ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Lubricant Accommodation Style: GROOVED CLOSED BOTH ENDS AND GROOVED OPEN ONE END
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 3120-00-293-5839, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. 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
NSN3120-00-293-5839
Primary Part Number12872
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusACTIVE
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Surface Groove Location and Quantity4 INTERNAL AND 2 INTERNAL
Corner ShapeSQUARE ALL CORNERS
Hardness Rating82.0 BRINELL STANDARD MINIMUM AND 94.0 BRINELL STANDARD MAXIMUM OVERALL
MaterialCOPPER ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Lubricant Accommodation StyleGROOVED CLOSED BOTH ENDS AND GROOVED OPEN ONE END
Body Inside Diameter1.7535 INCHES MINIMUM AND 1.7545 INCHES MAXIMUM IN
Body Outside Diameter2.0060 INCHES MINIMUM AND 2.0070 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-096-677812872 INTERCHANGEABLE
Bearing,sleeve
Morris Material Handling, Inc.
4820-00-141-91741287B2 INTERCHANGEABLE
Valve,plug
Hydro-Aire Aerospace Corp
4320-00-375-8553M13174-1 INTERCHANGEABLE
Deflector,dirt and Liquid
Itw Food Equipment Group Llc Dba Hobart Service
6130-00-407-564512872 INTERCHANGEABLE
Shaft
Leica Inc Surveying and Photogrammetry Systems Div
9340-01-026-83931287-2 INTERCHANGEABLE
Mirror,glass
The Boeing Company
6150-01-224-064612872 INTERCHANGEABLE
Cable Assembly,special Purpose,e
The First Electronics Corporation
5985-01-567-967312872 INTERCHANGEABLE
Antenna Tilt Device
Niwc Pacific San Diego Navy Erp Dba Naval Information Warfare Center Pacific Div Naval Information Warfare Center Pacific
6130-01-675-249012872 INTERCHANGEABLE
Bag,power Supply Assembly
Gatr Technologies, Inc.
8465-01-729-4104A14605-1 INTERCHANGEABLE
Clip,garment,helmet
Gentex Corporation
Cross-Reference Index
Part NumberManufacturer
12872 PRIMARY Napco International Llc Dba Napco International Inc (USA)
Related Parts
3120-00-096-6778INTERCHANGEABLE
BEARING,SLEEVE
12872
4820-00-141-9174INTERCHANGEABLE
VALVE,PLUG
1287B2
4320-00-375-8553INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
M13174-1
6130-00-407-5645INTERCHANGEABLE
SHAFT
12872
9340-01-026-8393INTERCHANGEABLE
MIRROR,GLASS
1287-2
6150-01-224-0646INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
12872
5985-01-567-9673INTERCHANGEABLE
ANTENNA TILT DEVICE
12872
6130-01-675-2490INTERCHANGEABLE
BAG,POWER SUPPLY ASSEMBLY
12872
8465-01-729-4104INTERCHANGEABLE
CLIP,GARMENT,HELMET
A14605-1

Frequently Asked Questions

What is NSN 3120-00-293-5839?

NSN 3120-00-293-5839 is a Bearing,sleeve, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-293-5839?

NSN 3120-00-293-5839 has 1 cross-referenced part number: 12872 (Napco International Llc Dba Napco International Inc).

What NSN replaces 3120-00-293-5839?

There are 9 known substitutes for 3120-00-293-5839: 3120-00-096-6778, 4820-00-141-9174, 4320-00-375-8553 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12872?

Key specifications for 12872: Overall Length: 0.8125 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Surface Groove Location and Quantity: 4 INTERNAL AND 2 INTERNAL; Corner Shape: SQUARE ALL CORNERS. 11 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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