The Bearing,ball,annular, cataloged under National Stock Number 3110-00-618-2343, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-618-2343 |
| Primary Part Number | 4156-3 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | L3harris Technologies, Inc. Div Space and Airborne Systems |
| Status | CANCELLED |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.5 |
| Surface Finish | GROUND |
| Retainer Fabrication Method | PRESSED |
| Load Direction | RADIAL |
| Bore Shape | STRAIGHT |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Shield Quantity | 2 |
| Outer Ring Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Flange Outside Diameter | 0.6900 INCHES NOMINAL IN |
| Lubrication Material | GREASE |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4156-3 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| AFS1KDD7 | Timken Co Div the Timken Company (USA) |
| 60781-1 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| 4-01520-003 | Arma Div Ambac Industries Inc |
| SRS77NR4 | General Motors Corp (USA) |
| SRS77NR4 | General Motors Corp Delco Moraine Ndh Div (USA) |
| SSRS77NNR4DZF7E9 | General Motors Corp (USA) |
| SR4SS | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| SFR4PPK68-168 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| FC4FFMST | Skf Usa Inc. (USA) |
| SFR4PPK68 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| M81793-07JE1C5N1E1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-B-81793 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| PAVFS1KDD7FS160 | Timken Co Div the Timken Company (USA) |
| SSRS77NNR4DZF5M1LG3278 | General Motors Corp (USA) |
| SFR4PPK49-8 | New Hampshire Ball Bearings Inc Div Hitech Division (USA) |
| 60830-3 | L3harris Technologies, Inc. Div Space and Airborne Systems (USA) |
| PAVFS1KDD7 | Timken Co Div the Timken Company (USA) |
| SSRS77NNR4DZF7E9 | General Motors Corp Delco Moraine Ndh Div (USA) |
| SFR4SS5G2 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
NSN 3110-00-618-2343 is a Bearing,ball,annular, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-618-2343 has 23 cross-referenced part numbers: 4156-3 (L3harris Technologies, Inc. Div Space and Airborne Systems), AFS1KDD7 (Timken Co Div the Timken Company), 60781-1 (L3harris Technologies, Inc. Div Space and Airborne Systems), 4-01520-003 (Arma Div Ambac Industries Inc), SRS77NR4 (General Motors Corp) and 18 more.
There are 8 known substitutes for 3110-00-618-2343: 5120-00-293-2708, 6930-00-394-0244, 3110-00-649-7324 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4156-3: Bore Diameter: 0.2500 INCHES NOMINAL IN; Standard Tolerance Designation: ABEC NO.5; Surface Finish: GROUND; Retainer Fabrication Method: PRESSED. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-618-2343 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.