The Bearing,ball,duplex, cataloged under National Stock Number 3110-01-140-5802, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-140-5802 |
| Primary Part Number | 268-12961-10 |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Internal Clearance | 0.0007 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN |
| Surface Finish | UNGROUND |
| Style Designator | COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING |
| Material Document and Classification | UNABLE TO DECODE |
| Overall Outside Diameter | 0.3749 INCHES NOMINAL IN |
| Features Provided | ALIGNING RING |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Bore Diameter | 0.2498 INCHES MINIMUM AND 0.2499 INCHES MAXIMUM IN |
| Material | STEEL COMP 440A OVERALL A |
| Material | GREASE LUBRICATION |
| Lubrication Material Document and Classification | MIL-G-7711 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 |
|---|---|
| 268-12961-10 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 3110-01-140-5802 is a Bearing,ball,duplex, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-140-5802 has 1 manufacturer part number on file: 268-12961-10 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 268-12961-10: Internal Clearance: 0.0007 INCHES MINIMUM RADIAL AND 0.0010 INCHES MAXIMUM RADIAL IN; Surface Finish: UNGROUND; Style Designator: COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING; Material Document and Classification: UNABLE TO DECODE. 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.