The Bearing,ball,annular, cataloged under National Stock Number 3110-00-604-8978, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations. Government technical data includes 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-604-8978 |
| Primary Part Number | 6519335 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 42.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 20.00 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING OUTER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL CORROSION RESISTING INNER RING |
| Material | STEEL CORROSION RESISTING BALL |
| Material | STEEL CORROSION RESISTING RETAINER |
| Lubrication Material Document and Classification | MIL-G-7421 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 |
|---|---|
| 6519335 PRIMARY | General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations (USA) |
| Reference | Meaning |
|---|---|
| 6519335 | 5/9 Secondary reference General Motors Corp |
| 6519335 | 5/9 Secondary reference Kaiser Marquardt |
| 6519335 | 5/1 Secondary reference U.S. Government activity |
| 6519335 | 5/9 Secondary reference Murdock Machine and Engineering Co |
| 6519335 | 5/9 Secondary reference Aeroproducts Opns of Allison Div of General Motors Corp |
NSN 3110-00-604-8978 is a Bearing,ball,annular, manufactured by General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-604-8978 has 1 manufacturer part number on file: 6519335 (General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations).
Key specifications for 6519335: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD. 18 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.