The Bearing,ball,annular, cataloged under National Stock Number 3110-01-103-8875, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rix Industries. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-103-8875 |
| Primary Part Number | 181-305 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| 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 | 140.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 65.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL RETAINER |
| Material | STEEL BALL |
| Lubrication Material Document and Classification | DOD-G-24508 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 |
|---|---|
| 6313-2RS | Lincoln Electric Co of Canada Ltd (CAN) |
| 181-305 PRIMARY | Rix Industries (USA) |
| 6313-2RS | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6313-2RS | 5/9 Secondary reference Rix Industries |
| 313SZZ | C/1 Advisory reference — outside the item-of-supply concept Skf Usa Inc. |
NSN 3110-01-103-8875 is a Bearing,ball,annular, manufactured by Rix Industries, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-103-8875 has 3 manufacturer part numbers on file: 6313-2RS (Lincoln Electric Co of Canada Ltd), 181-305 (Rix Industries), 6313-2RS (Skf Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-262-5273. Verify interchangeability with system specifications before substitution.
Key specifications for 181-305: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; 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.