The Bearing,ball,annular, cataloged under National Stock Number 3110-01-321-9759, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-321-9759 |
| Primary Part Number | 518-5947787 ITEM 2-17 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bearing Seal Type | LABYRINTH |
| Lubrication Material | LUBRICANT |
| Outer Ring Width | 0.4950 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN |
| Flange Outside Diameter | 1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN |
| Surface Finish | UNGROUND |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Flange Width | 0.0625 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 1.6230 INCHES MINIMUM AND 1.6270 INCHES MAXIMUM IN |
| Bore Diameter | 0.6240 INCHES MINIMUM AND 0.6290 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Inner Ring Width | 0.5525 INCHES MINIMUM AND 0.5725 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 |
|---|---|
| 518-5947787 ITEM 2-17 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| RF10-26-16 | 3/9 Design control — primary reference Altra Industrial Motion Corp. |
NSN 3110-01-321-9759 is a Bearing,ball,annular, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-321-9759 has 1 manufacturer part number on file: 518-5947787 ITEM 2-17 (Naval Sea Systems Command).
Key specifications for 518-5947787 ITEM 2-17: Bearing Seal Type: LABYRINTH; Lubrication Material: LUBRICANT; Outer Ring Width: 0.4950 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN; Flange Outside Diameter: 1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN. 13 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.