The Bearing Unit,plain, cataloged under National Stock Number 3130-00-899-3944, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-899-3944 |
| Primary Part Number | 1541031-9 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Flange Thickness | 0.1250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.1930 INCHES NOMINAL IN |
| Housing Width | 2.1200 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Bolt Circle Diameter | 1.5000 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY HOUSING |
| Material | ALUMINUM ALLOY BEARING |
| 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 |
|---|---|
| 1541031-9 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 1541031-9 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 3130-00-899-3944 is a Bearing Unit,plain, manufactured by Textron Aviation Inc, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-899-3944 has 1 manufacturer part number on file: 1541031-9 (Textron Aviation Inc).
Key specifications for 1541031-9: Flange Thickness: 0.1250 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: FLANGE BLOCK; Mounting Hole Diameter: 0.1930 INCHES NOMINAL IN. 11 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.