The Bearing,ball,annular, cataloged under National Stock Number 3110-00-498-4512, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-498-4512 |
| Primary Part Number | 10189693 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3150 INCHES NOMINAL IN |
| Internal Clearance | 0.0010 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 1.5000 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | STEEL CORROSION RESISTING SHIELD |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.3750 INCHES NOMINAL 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 |
|---|---|
| 10189693 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 10186693 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| SFSS-16P1030LY231 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 433-1940 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 10189693 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| SFSS16LY198 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| 3110004984512 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3110-00-498-4512 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-498-4512 has 1 manufacturer part number on file: 10189693 (Mpb Corp Div Timken Super Precision).
Key specifications for 10189693: Lubrication Material: GREASE; Outer Ring Width: 0.3150 INCHES NOMINAL IN; Internal Clearance: 0.0010 INCHES MINIMUM RADIAL AND 0.0030 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND. 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.