The Bearing,ball,airframe, cataloged under National Stock Number 3110-01-080-0815, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rbc Aircraft Products, Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-080-0815 |
| Primary Part Number | MDSP4FS464 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.4590 INCHES MINIMUM AND 0.4640 INCHES MAXIMUM IN |
| Style Designator | DOUBLE ROW, SELF ALIGNING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 0.9010 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.2497 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Self-Alignment Location | INTERNAL |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6845 INCHES MINIMUM AND 0.6870 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 |
| Part Number | Manufacturer |
|---|---|
| MDSP4FS464 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MDSP4 | C/1 Advisory reference — outside the item-of-supply concept Timken Co Div the Timken Company |
| MDSP4FS464 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-080-0815 is a Bearing,ball,airframe, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-080-0815 has 1 manufacturer part number on file: MDSP4FS464 (Rbc Aircraft Products, Inc.).
Key specifications for MDSP4FS464: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.4590 INCHES MINIMUM AND 0.4640 INCHES MAXIMUM IN; Style Designator: DOUBLE ROW, SELF ALIGNING. 20 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.