The Bearing,ball,annular, cataloged under National Stock Number 3110-01-446-5184, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mechanical Technology, Incorporated Div Mti Instruments Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-446-5184 |
| Primary Part Number | 788D287 ITEM 5 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mechanical Technology, Incorporated Div Mti Instruments Inc |
| Status | ACTIVE |
| Internal Fit-Up Designation | LOOSE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 140.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.3 |
| Bore Diameter | 65.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 788D287 ITEM 5 PRIMARY | Mechanical Technology, Incorporated Div Mti Instruments Inc (USA) |
| 313W-J3ABEC3 | Timken Co Div the Timken Company (USA) |
NSN 3110-01-446-5184 is a Bearing,ball,annular, manufactured by Mechanical Technology, Incorporated Div Mti Instruments Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-446-5184 has 2 manufacturer part numbers on file: 788D287 ITEM 5 (Mechanical Technology, Incorporated Div Mti Instruments Inc), 313W-J3ABEC3 (Timken Co Div the Timken Company).
Key specifications for 788D287 ITEM 5: Internal Fit-Up Designation: LOOSE; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Overall Width: 33.0 MILLIMETERS NOMINAL MM. 9 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.