The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-640-8169, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-00-640-8169 |
| Primary Part Number | MER-100DU4KMA5PC19LO2UB |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Style Designator | UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 26.00 MILLIMETERS NOMINAL MM |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.5 |
| Bore Diameter | 10.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL BALL |
| 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 |
|---|---|
| MER-100DU4KMA5PC19LO2UB PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| Q0L00DTL5 | 5/9 Secondary reference General Motors Corp |
| Q0L00DTL5 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| MER-100SD999DU4KMA5PC19LO2SG | 5/9 Secondary reference U.S. Government activity |
| MER-100DU4KMA5PC19L02 | 5/9 Secondary reference U.S. Government activity |
| Q0L00-5CJ | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| Q0L00DTL5 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 3110-00-640-8169 is a Bearing,ball,duplex, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-640-8169 has 1 manufacturer part number on file: MER-100DU4KMA5PC19LO2UB (New Hampshire Ball Bearings Inc Div Precision Division).
Key specifications for MER-100DU4KMA5PC19LO2UB: Retainer Fabrication Method: MACHINED; Surface Finish: GROUND; Bearing Preload Designation: LIGHT; Style Designator: UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE. 12 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.