The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8950, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-00-155-8950 |
| Primary Part Number | RLS20 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Lubrication Material | LUBRICANT |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 5.0000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 2.5000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| RLS20 PRIMARY | Skf Usa Inc. (USA) |
| LS17 PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| 136539-11 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LS17 PRIMARY | Fag Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| LS17 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-00-155-8950 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-8950 has 4 manufacturer part numbers on file: RLS20 (Skf Usa Inc.), LS17 (Schatz Bearing Corporation Dba Schatz Bearing Corp), 136539-11 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LS17 (Fag Bearings Corporation).
Key specifications for RLS20: Lubrication Material: LUBRICANT; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 10 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.