The Bearing,ball,duplex, cataloged under National Stock Number 3110-00-198-2051, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Timken Co Div the Timken Company. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-198-2051 |
| Primary Part Number | MMS1K7DF |
| Item Name | Bearing,ball,duplex |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Timken Co Div the Timken Company |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Bearing Preload Designation | LIGHT |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING |
| Load Direction | RADIAL |
| Material | STEEL OVERALL |
| Surface Finish | GROUND |
| Overall Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Bearing Preload Designation | LIGHT |
| Material | STEEL OVERALL |
| Standard Tolerance Designation | ABEC NO.7 |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.7 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE, TANDEM MOUNTING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MMS1K7DF | Timken Co Div the Timken Company (USA) |
| MIL-B-81793C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M81793-PSSSBN0GAC71AA0 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3110-00-198-2051 is a Bearing,ball,duplex, manufactured by Timken Co Div the Timken Company, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-198-2051 has 3 cross-referenced part numbers: MMS1K7DF (Timken Co Div the Timken Company), MIL-B-81793C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-PSSSBN0GAC71AA0 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 3110-00-198-2051: 3110-00-184-1004, 3110-00-198-0928, 3110-00-585-3448 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MMS1K7DF: Retainer Fabrication Method: PRESSED; Bore Diameter: 0.2500 INCHES NOMINAL IN; Bearing Preload Designation: LIGHT; Overall Width: 0.3920 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.