The Bearing,ball,annular, cataloged under National Stock Number 3110-00-477-6738, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3110-00-477-6738 |
| Primary Part Number | 6308RSNR |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 90.00 MILLIMETERS NOMINAL MM |
| Features Provided | SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 40.00 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 |
| 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 |
|---|---|
| 6308RSNR | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| Z115 | 3/9 Design control — primary reference Clow Corp Pump Div |
NSN 3110-00-477-6738 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-477-6738 has 1 manufacturer part number on file: 6308RSNR (Skf Usa Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4310-00-631-3396, 4320-01-228-9181, 5340-01-657-3848. Verify interchangeability with system specifications before substitution.
Key specifications for 6308RSNR: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 17 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.