The Bearing,ball,annular, cataloged under National Stock Number 3110-00-920-9978, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Motors Llc Dba General Motors Llc. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-920-9978 |
| Primary Part Number | 907930 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Surface Finish | UNGROUND |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Overall Outside Diameter | 2.8345 INCHES NOMINAL IN |
| Features Provided | SNAP RING-GROOVE MOUNTING |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Alignment Type | RIGID |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.3780 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL SEPARATOR |
| 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 |
|---|---|
| 907930 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 907683 | 5/9 Secondary reference General Motors Corp |
| 47207CUSPECL1961A | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 907683 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| 47207CU L1961A | 3/9 Design control — primary reference General Motors Corp Delco Moraine Ndh Div |
| 907930 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 3110-00-920-9978 is a Bearing,ball,annular, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-920-9978 has 1 manufacturer part number on file: 907930 (General Motors Llc Dba General Motors Llc).
2 possible matches (shared part number, not a government interchangeability claim): 1680-01-424-4658, 5315-01-666-9185. Verify interchangeability with system specifications before substitution.
Key specifications for 907930: Surface Finish: UNGROUND; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Overall Width: 0.6693 INCHES NOMINAL IN; Overall Outside Diameter: 2.8345 INCHES NOMINAL IN. 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.