The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-604-1568, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-604-1568 |
| Primary Part Number | 1851350 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Preload Rating | 300.0 POUNDS NOMINAL LBS |
| Surface Finish | GROUND |
| Style Designator | UNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 110.0 MILLIMETERS NOMINAL MM |
| Load Direction | ANGULAR |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 60.0 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 |
|---|---|
| 1851350 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 1876433RHPC24 | Northrop Grumman Systems Corporation (USA) |
| 1876433RHPC24 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 1851350 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3110-00-604-1568 is a Bearing,ball,duplex, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-604-1568 has 4 manufacturer part numbers on file: 1851350 (Northrop Grumman Systems Corporation), 1876433RHPC24 (Northrop Grumman Systems Corporation), 1876433RHPC24 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1851350 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1851350: Retainer Fabrication Method: MACHINED; Bearing Preload Rating: 300.0 POUNDS NOMINAL LBS; Surface Finish: GROUND; 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.