The Bearing,ball,linear Motion, cataloged under National Stock Number 3110-01-274-0091, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-274-0091 |
| Primary Part Number | 2910251-2 |
| Item Name | Bearing,ball,linear Motion |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Working Bore Diameter | 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Style Designator | INSTRUMENT SERIES |
| Overall Outside Diameter | 0.6250 INCHES MINIMUM AND 0.6255 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Alignment Type | RIGID |
| Material | STEEL BALL |
| Material | PLASTIC ACETAL BALL CIRCUIT |
| Material | PLASTIC ACETAL RETAINER |
| Bearing Ball Quantity | 4 |
| Distance Between Retaining Rings | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2910251-2 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| 2910251-2 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2910251-2 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-274-0091 is a Bearing,ball,linear Motion, manufactured by Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-274-0091 has 2 manufacturer part numbers on file: 2910251-2 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), 2910251-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2910251-2: Retainer Fabrication Method: PRESSED; Working Bore Diameter: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN; Surface Finish: GROUND; Style Designator: INSTRUMENT SERIES. 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.