PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5R5387Bearing,sleeve

Caterpillar Inc Div Caterpillar Defense · NSN 3120-01-186-1287 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-186-1287 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-186-1287. Primary manufacturer part number: 5R5387.
Features
  • Bearing,sleeve — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-186-1287, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,sleeve
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersKress Corporation (CAGE 55101); Caterpillar Inc Div Caterpillar Defense (CAGE 11083)
Technical Specifications
ParameterValue
NSN3120-01-186-1287
Primary Part Number5R5387
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-140-8205SP-36249 INTERCHANGEABLE
Gasket
Cadillac Gage Textron Inc.
5331-00-551-9116155-685 INTERCHANGEABLE
O-Ring
Graco Inc.
5331-00-816-37019-568-012NA90 INTERCHANGEABLE
O-Ring
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-01-218-466462277 INTERCHANGEABLE
Cooling Spool,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
62277 Kress Corporation (USA)
5R5387 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5330-00-140-8205INTERCHANGEABLE
GASKET
SP-36249
5331-00-551-9116INTERCHANGEABLE
O-RING
155-685
5331-00-816-3701INTERCHANGEABLE
O-RING
9-568-012NA90
4820-01-218-4664INTERCHANGEABLE
COOLING SPOOL,VALVE
62277

Frequently Asked Questions

What is NSN 3120-01-186-1287?

NSN 3120-01-186-1287 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-186-1287?

NSN 3120-01-186-1287 has 2 cross-referenced part numbers: 62277 (Kress Corporation), 5R5387 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 3120-01-186-1287?

There are 4 known substitutes for 3120-01-186-1287: 5330-00-140-8205, 5331-00-551-9116, 5331-00-816-3701 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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