PartsTable TECHNICAL DATA SHEET
NSN 3120-00-236-9902Government record, cited

Bearing, Sleeve3120-00-236-9902

NSN 3120-00-236-9902 · NIIN 002369902 · Part number 1H5661
Caterpillar Inc Div Caterpillar Defense · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 11083
Government record, cited
NSN 3120-00-236-9902 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-236-9902. Manufacturer of record part number: 1H5661.
Also searched as  3120-00-236-9902 · 3120002369902 · NIIN 002369902 · 00-236-9902 · FSC 3120 Bearings, Plain, Unmounted · CAGE 11083 · 1H5661
Nearby stock numbers  ·
Features
  • Bearing,sleeve — FSC 3120
  • Flange Outside Diameter: 1.7500 INCHES NOMINAL IN
  • Body Outside Diameter: 1.0625 INCHES NOMINAL IN
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Body Inside Diameter: 0.7500 INCHES NOMINAL IN
  • Antirotation/lubrication Type and Quantity: 2 HOLE
  • Flange Width: 0.1240 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
Identification
  • NSN: 3120-00-236-9902
  • NIIN: 002369902
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: 1H5661
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-236-9902, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-236-9902
Primary Part Number1H5661
Item NameBearing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Flange Outside Diameter1.7500 INCHES NOMINAL IN
Body Outside Diameter1.0625 INCHES NOMINAL IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter0.7500 INCHES NOMINAL IN
Antirotation/lubrication Type and Quantity2 HOLE
Flange Width0.1240 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Hole Diameter0.1875 INCHES NOMINAL FIRST IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1H5661 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
No interchangeability data on file.
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file

Frequently Asked Questions

What is NSN 3120-00-236-9902?

NSN 3120-00-236-9902 is a Bearing,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What part numbers are listed for NSN 3120-00-236-9902?

NSN 3120-00-236-9902 has 1 manufacturer part number on file: 1H5661 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of 1H5661?

Key specifications for 1H5661: Flange Outside Diameter: 1.7500 INCHES NOMINAL IN; Body Outside Diameter: 1.0625 INCHES NOMINAL IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Overall Length: 1.0000 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3120-00-236-9902 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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