The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-340-2153, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-340-2153 |
| Primary Part Number | MCZ7515LY23120PCT-DF6-10 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Bearing Preload Rating | 6.0 POUNDS MINIMUM AND 10.0 POUNDS MAXIMUM LBS |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Bearing Preload Designation | LIGHT |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, FACE TO FACE MOUNTING |
| Overall Outside Diameter | 1.1875 INCHES NOMINAL IN |
| Load Direction | ANGULAR |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO. 7T |
| Bore Diameter | 0.7500 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING INSERT |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | GREASE LUBRICATION |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Material | RUBBER SYNTHETIC OR PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| MCZ7515LY23120PCT-DF6-10 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| ST21900390 | 5/9 Secondary reference U.S. Government activity |
| MC-Z7TP515LY23120PCT-DF6-10 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
NSN 3110-01-340-2153 is a Bearing,ball,duplex, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-340-2153 has 1 manufacturer part number on file: MCZ7515LY23120PCT-DF6-10 (Mpb Corp Div Timken Super Precision).
Key specifications for MCZ7515LY23120PCT-DF6-10: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Bearing Preload Rating: 6.0 POUNDS MINIMUM AND 10.0 POUNDS MAXIMUM LBS; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0015 INCHES MAXIMUM RADIAL IN. 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.