The Bearing,ball,annular, cataloged under National Stock Number 3110-00-988-8278, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-988-8278 |
| Primary Part Number | 5179-4 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL OUTER RING |
| Material | STEEL RETAINER |
| Standard Tolerance Designation | ABEC NO.1 |
| Load Direction | RADIAL |
| Surface Finish | GROUND |
| Internal Fit-Up Designation | STANDARD |
| Lubrication Material | GREASE |
| Seal Quantity | 2 |
| Bearing Seal Type | CONTACT |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bore Shape | STRAIGHT |
| Retainer Fabrication Method | PRESSED |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL BALL |
| Material | STEEL INNER RING |
| Overall Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5179-4 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| S3PPFS50160 | Timken Co Div the Timken Company (USA) |
NSN 3110-00-988-8278 is a Bearing,ball,annular, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-988-8278 has 2 cross-referenced part numbers: 5179-4 (Raytheon Company Div Rmd Strategic), S3PPFS50160 (Timken Co Div the Timken Company).
There are 2 known substitutes for 3110-00-988-8278: 6625-00-557-0981, 2940-01-004-2913. Verify interchangeability with system specifications before substitution.
Key specifications for 5179-4: Bore Diameter: 0.3750 INCHES NOMINAL IN; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Material: STEEL OUTER RING; Material: STEEL RETAINER. 20 total characteristics are documented in the Federal Logistics Information System.