The Bearing Unit,plain, cataloged under National Stock Number 3130-01-206-0539, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Wiba Zevenaar B.v.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3130-01-206-0539 |
| Primary Part Number | 302185 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Wiba Zevenaar B.v. |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, UNTHREADED |
| Supplementary Features | BRONZE BEARING,3120-00-874-5527,PRESS FIT |
| Style Designator | SPHERICAL CARTRIDGE |
| Mounting Hole Diameter | 2.0000 INCHES MINIMUM AND 2.0200 INCHES MAXIMUM IN |
| Purchase Description Identification | 80212-4187970-1 |
| Alignment Type | SELF-ALIGNING |
| Shaft End Type | OPEN |
| Bore Diameter | 1.5900 INCHES MINIMUM AND 1.6500 INCHES MAXIMUM IN |
| Material | COPPER ALLOY BEARING |
| Material | ALUMINUM ALLOY HOUSING |
| Housing Length | 4.0300 INCHES MINIMUM AND 4.0900 INCHES MAXIMUM IN |
| Housing Diameter | 2.9700 INCHES MINIMUM AND 3.0300 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3130-01-206-0539 is a Bearing Unit,plain, manufactured by Wiba Zevenaar B.v., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-206-0539 has 2 manufacturer part numbers on file: 302185 (Wiba Zevenaar B.v.), 4187970-1 (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 302185: Mounting Hole Type: ROUND, UNTHREADED; Supplementary Features: BRONZE BEARING,3120-00-874-5527,PRESS FIT; Style Designator: SPHERICAL CARTRIDGE; Mounting Hole Diameter: 2.0000 INCHES MINIMUM AND 2.0200 INCHES MAXIMUM IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.