The Bearing,ball,airframe, cataloged under National Stock Number 3110-00-800-9541, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-800-9541 |
| Primary Part Number | MKSP3 |
| Item Name | Bearing,ball,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rbc Aircraft Products, Inc. |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2700 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Style Designator | SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Overall Outside Diameter | 0.7770 INCHES MINIMUM AND 0.7774 INCHES MAXIMUM IN |
| Load Direction | RADIAL |
| Alignment Type | SELF-ALIGNING |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Bore Diameter | 0.1897 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Self-Alignment Location | INTERNAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2945 INCHES MINIMUM AND 0.2970 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 |
|---|---|
| MKSP3 PRIMARY | Rbc Aircraft Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| MKS3 | 5/9 Secondary reference Timken Co Div the Timken Company |
| MKSP3 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-00-800-9541 is a Bearing,ball,airframe, manufactured by Rbc Aircraft Products, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-800-9541 has 1 manufacturer part number on file: MKSP3 (Rbc Aircraft Products, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-718-6271. Verify interchangeability with system specifications before substitution.
Key specifications for MKSP3: Lubrication Material: GREASE; Outer Ring Width: 0.2700 INCHES NOMINAL IN; Shield Quantity: 2; Style Designator: SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES. 16 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.