The Bearing,ball,annular, cataloged under National Stock Number 3110-00-432-2540, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rmb Miniature Bearings Inc. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-432-2540 |
| Primary Part Number | RF4012X48A512-20 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Rmb Miniature Bearings Inc |
| Status | ACTIVE |
| Lubrication Material Document and Classification | MIL-G-25013 MIL SPEC SINGLE MATERIAL RESPONSE |
| Seal Quantity | 2 |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Bearing Seal Type | CONTACT |
| Surface Finish | GROUND |
| Standard Tolerance Designation | ABEC NO.5 |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Material | STEEL CORROSION RESISTING RETAINER |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE BALL |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material | STEEL COMP 440C BALL |
| Material Document and Classification | CYRB285,05624 MFR REF SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | CYRB285,05624 MFR REF SINGLE MATERIAL RESPONSE SEAL |
| Material | STEEL COMP 440C INNER RING |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP 440C OUTER RING |
| Overall Outside Diameter | 0.3750 INCHES NOMINAL IN |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CYRB285-0-0-05 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| RF4012X48A512-20 PRIMARY | Rmb Miniature Bearings Inc (USA) |
| CYRB285 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
NSN 3110-00-432-2540 is a Bearing,ball,annular, manufactured by Rmb Miniature Bearings Inc, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-432-2540 has 3 cross-referenced part numbers: CYRB285-0-0-05 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc), RF4012X48A512-20 (Rmb Miniature Bearings Inc), CYRB285 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
There is 1 known substitute for 3110-00-432-2540: 3110-00-403-7591. Verify interchangeability with system specifications before substitution.
Key specifications for RF4012X48A512-20: Lubrication Material Document and Classification: MIL-G-25013 MIL SPEC SINGLE MATERIAL RESPONSE; Seal Quantity: 2; Internal Clearance: 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN; Bearing Seal Type: CONTACT. 25 total characteristics are documented in the Federal Logistics Information System.