The Bearing,ball,annular, cataloged under National Stock Number 3110-01-181-2182, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kaydon Corporation Dba Kaydon Corp. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-181-2182 |
| Primary Part Number | KF055AR0 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kaydon Corporation Dba Kaydon Corp |
| Status | ACTIVE |
| Lubrication Material | OIL |
| Surface Finish | GROUND |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Material Document and Classification | ASTM A-295 ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | ASTM A-295 ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE INNER RACE |
| Material Document and Classification | ASTM A-295 ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE OUTER RACE |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE SEPARATOR |
| Overall Outside Diameter | 7.0000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Contact Angle | 30.0 DEGREES NOMINAL |
| Load Direction | ANGULAR |
| Bore Diameter | 5.5000 INCHES NOMINAL IN |
| Material | STEEL COMP E52100 BALL |
| Material | COPPER ALLOY SEPARATOR |
| Material | STEEL COMP E52100 INNER RACE |
| Material | STEEL COMP E52100 OUTER RACE |
| Lubrication Material Document and Classification | MIL-L-3150 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 |
|---|---|
| 3522 500 26481 | Thales Nederland (NLD) |
| KF055AR0 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
NSN 3110-01-181-2182 is a Bearing,ball,annular, manufactured by Kaydon Corporation Dba Kaydon Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-181-2182 has 2 manufacturer part numbers on file: 3522 500 26481 (Thales Nederland), KF055AR0 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for KF055AR0: Lubrication Material: OIL; Surface Finish: GROUND; Style Designator: COUNTERBORED OUTER RING, NON-SEPARABLE; Material Document and Classification: ASTM A-295 ASSN STD SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE BALL. 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.