The Bearing,ball,annular, cataloged under National Stock Number 3110-01-028-2503, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-028-2503 |
| Primary Part Number | M81793-FECDAA04CB71AX1 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Lubrication Material | GREASE |
| Retainer Fabrication Method | MOLDED |
| Inner Ring Width | 0.1406 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | ABEC NO. 7P |
| Load Direction | RADIAL |
| Surface Finish | GROUND |
| Flange Outside Diameter | 0.2960 INCHES NOMINAL IN |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL IN |
| Outer Ring Outside Diameter | 0.2500 INCHES NOMINAL IN |
| Shield Quantity | 2 |
| Flange Width | 0.0310 INCHES NOMINAL IN |
| Outer Ring Width | 0.1094 INCHES NOMINAL IN |
| Material | STEEL COMP 440A BALL A |
| Material | STEEL COMP 440A INNER RING A |
| Material | STEEL COMP 440A OUTER RING A |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE SHIELD |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE RETAINER |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material | STEEL COMP 440A SHIELD A |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M81793-FECDAA04CB71AX1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M81793/16-FB9C2N1E1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 605-059-000 | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| M81793-FECDAA04CC71AS1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 605-059-004 | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| S418FMCKHHE7P25LY167 | Mpb Corp Div Timken Super Precision (USA) |
| 605-059-004 | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| MIL-B-81793/16 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 605-059-000 | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
NSN 3110-01-028-2503 is a Bearing,ball,annular, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-028-2503 has 9 cross-referenced part numbers: M81793-FECDAA04CB71AX1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793/16-FB9C2N1E1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 605-059-000 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), M81793-FECDAA04CC71AS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 605-059-004 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division) and 4 more.
There are 12 known substitutes for 3110-01-028-2503: 3110-00-034-2162, 3110-00-085-7842, 3110-00-324-6993 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M81793-FECDAA04CB71AX1: Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Lubrication Material: GREASE; Retainer Fabrication Method: MOLDED; Inner Ring Width: 0.1406 INCHES NOMINAL IN. 25 total characteristics are documented in the Federal Logistics Information System.