PartsTable TECHNICAL DATA SHEET
NSN 3120-00-237-7337Government record, cited

Bearing, Sleeve3120-00-237-7337

NSN 3120-00-237-7337 · NIIN 002377337 · Part number 3H2512
Caterpillar Inc Div Caterpillar Defense · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 11083
Government record, cited
NSN 3120-00-237-7337 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-237-7337. Manufacturer of record part number: 3H2512.
Also searched as  3120-00-237-7337 · 3120002377337 · NIIN 002377337 · 00-237-7337 · FSC 3120 Bearings, Plain, Unmounted · CAGE 11083 · 3H2512 · 31-3H2512 · 31-3H2512
Nearby stock numbers  ·
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Body Outside Diameter: 1.3775 INCHES NOMINAL IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 1.2315 INCHES NOMINAL IN
  • Material: LEAD ALLOY INNER LAYER
  • Material: STEEL OUTER LAYER
  • 2 manufacturer part numbers on file
Identification
  • NSN: 3120-00-237-7337
  • NIIN: 002377337
  • FSC: 3120 — Bearings, Plain, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: 3H2512
  • Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-237-7337, 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 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-237-7337
Primary Part Number3H2512
Item NameBearing,sleeve
FSC / FSG3120 / 31 — Bearings, Plain, Unmounted
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter1.3775 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter1.2315 INCHES NOMINAL IN
MaterialLEAD ALLOY INNER LAYER
MaterialSTEEL OUTER LAYER
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
3H2512 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
31-3H2512 PRIMARY Tvh Parts Co. (USA)
Reference documents
ReferenceMeaning
31-3H2512 5/9 Secondary reference
Lift Parts Mfg Co Inc Div of Echlin Mfg Co the
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 3120-00-237-7337?

NSN 3120-00-237-7337 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 3120-00-237-7337?

NSN 3120-00-237-7337 has 2 manufacturer part numbers on file: 3H2512 (Caterpillar Inc Div Caterpillar Defense), 31-3H2512 (Tvh Parts Co.).

What are the specifications of 3H2512?

Key specifications for 3H2512: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 1.3775 INCHES NOMINAL IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.8125 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3120-00-237-7337 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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