The Bearing Unit,plain, cataloged under National Stock Number 3130-01-334-8050, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Sicma Aero Seat Services Inc. Government technical data includes 14 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-334-8050 |
| Primary Part Number | 424-570 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Sicma Aero Seat Services Inc |
| Status | ACTIVE |
| Assembly Overall Length | 1.580 INCHES NOMINAL IN |
| Housing Height | 2.574 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Housing Width | 2.360 INCHES NOMINAL IN |
| Base Length | 0.947 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Bore Diameter | 1.1790 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 HOUSING |
| Material | PLASTIC TETRAFLUOROETHYLENE BEARING |
| Housing Length | 0.947 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 1.626 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 424-570 PRIMARY | Sicma Aero Seat Services Inc (USA) |
NSN 3130-01-334-8050 is a Bearing Unit,plain, manufactured by Sicma Aero Seat Services Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-334-8050 has 1 manufacturer part number on file: 424-570 (Sicma Aero Seat Services Inc).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-618-1188. Verify interchangeability with system specifications before substitution.
Key specifications for 424-570: Assembly Overall Length: 1.580 INCHES NOMINAL IN; Housing Height: 2.574 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID. 14 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.