NSN 3120-01-643-9255 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-643-9255. Manufacturer of record part number: 218-0826.
Body Outside Diameter: 171.15 MILLIMETERS NOMINAL MM
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 3120-01-643-9255
NIIN: 016439255
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 218-0826
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Bearing Half,sleeve, cataloged under National Stock Number 3120-01-643-9255, 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 1 specification, 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.
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 3120-01-643-9255?
NSN 3120-01-643-9255 is a Bearing Half,sleeve, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-643-9255?
NSN 3120-01-643-9255 has 1 manufacturer part number on file: 218-0826 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 218-0826?
Key specifications for 218-0826: Body Outside Diameter: 171.15 MILLIMETERS NOMINAL MM; Overall Length: 57.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: BEARING-MAIN(UPPER); End Item Identification: EMERGENCY DIESEL GENERATOR SET (3512C). 1 specification is documented in the U.S. Government catalog.
Is NSN 3120-01-643-9255 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.