The Bearing,ball,annular, cataloged under National Stock Number 3110-01-004-6444, 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 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-004-6444 |
| Primary Part Number | 6313-RS1 |
| 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 | LABYRINTH |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 140.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 65.00 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP E52100 BALL |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| 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 |
|---|---|
| 6313LB | N T N Bearing Corp of America (USA) |
| 6313-RS1 PRIMARY | Skf Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 6313-RS | 5/9 Secondary reference Skf Usa Inc. |
| A7815R65 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 6313-RS1 | 5/9 Secondary reference Skf Usa Inc. |
NSN 3110-01-004-6444 is a Bearing,ball,annular, manufactured by Skf Usa Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-004-6444 has 2 manufacturer part numbers on file: 6313LB (N T N Bearing Corp of America), 6313-RS1 (Skf Usa Inc).
Key specifications for 6313-RS1: Retainer Fabrication Method: PRESSED; Bearing Seal Type: LABYRINTH; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 19 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.