The Bearing,ball,annular, cataloged under National Stock Number 3110-00-151-8178, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-151-8178 |
| Primary Part Number | 287835 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Lubrication Material | LUBRICANT |
| Internal Clearance | 0.0006 INCHES MINIMUM RADIAL AND 0.0016 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Overall Outside Diameter | 0.7478 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 0.3519 INCHES MINIMUM AND 0.3524 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL BALL |
| Calibration Designator | C12 |
| 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 |
|---|---|
| 287835 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 3110-00-151-8178 is a Bearing,ball,annular, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-151-8178 has 1 manufacturer part number on file: 287835 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 6550-01-342-9065. Verify interchangeability with system specifications before substitution.
Key specifications for 287835: Lubrication Material: LUBRICANT; Internal Clearance: 0.0006 INCHES MINIMUM RADIAL AND 0.0016 INCHES MAXIMUM RADIAL IN; Surface Finish: GROUND; Overall Width: 0.2312 INCHES MINIMUM AND 0.2362 INCHES MAXIMUM IN. 11 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.