NSN 3120-01-178-2146 · NIIN 011782146 · Part number 221440H1
Dressta North America Ltd · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 45RP7
Government record, cited
NSN 3120-01-178-2146 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-178-2146. Manufacturer of record part number: 221440H1.
Outer Member Outside Diameter: 1.3125 INCHES NOMINAL IN
2 manufacturer part numbers on file
Manufacturer of record: Dressta North America Ltd
Identification
NSN: 3120-01-178-2146
NIIN: 011782146
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 221440H1
Manufacturer: Dressta North America Ltd
General Description
The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-178-2146, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Dressta North America Ltd. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
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 3120-01-178-2146?
NSN 3120-01-178-2146 is a Bearing,plain,self-Aligning, manufactured by Dressta North America Ltd, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-178-2146?
NSN 3120-01-178-2146 has 2 manufacturer part numbers on file: 221440H1 (Komatsu America Corp.), 221440H1 (Dressta North America Ltd).
What are the specifications of 221440H1?
Key specifications for 221440H1: Inner Member Width: 0.6870 INCHES NOMINAL IN; Outer Member Width: 0.5310 INCHES NOMINAL IN; Style Designator: WITHOUT INSERT OR LINER; Bore Diameter: 0.5000 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-178-2146 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.