The Bearing,ball,annular, cataloged under National Stock Number 3110-01-671-9506, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is N T N Bearing Corp of America. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-671-9506 |
| Primary Part Number | 5211SC3 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | N T N Bearing Corp of America |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 100.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | ANGULAR |
| Bore Diameter | 55.0 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5211SC3 PRIMARY | N T N Bearing Corp of America (USA) |
| 3211AC3 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 12601909 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12601909 | 5/9 Secondary reference Oshkosh Defense Llc |
NSN 3110-01-671-9506 is a Bearing,ball,annular, manufactured by N T N Bearing Corp of America, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-671-9506 has 2 manufacturer part numbers on file: 5211SC3 (N T N Bearing Corp of America), 3211AC3 (Skf Usa Inc.).
Key specifications for 5211SC3: Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Overall Width: 1.3125 INCHES NOMINAL IN; Overall Outside Diameter: 100.0 MILLIMETERS NOMINAL MM. 7 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.