The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8918, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-8918 |
| Primary Part Number | 319687-434 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Lubrication Material | GREASE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 2 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 2.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Departure From Cited Designator | AS MODIFIED BY OVERALL WIDTH,AS MODIFIED BY SHIELD QUANTITY |
| Nondefinitive Spec/std Data | 115 TYPE AND 00 GRADE |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Lubrication Material Document and Classification | DOD-G-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 319687-434 PRIMARY | Naval Sea Systems Command (USA) |
| S12 1-2RPP PRIMARY | Fag Bearings Corporation (USA) |
| 77R22 PRIMARY | General Motors Corp (USA) |
| 177039-103 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 319687-434 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 12 1-2RFF | 5/9 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
| FFB171 | 4/1 Identification reference U.S. Government activity |
| 177039-103 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 77R22 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
| S12 1-2RFF | 5/9 Secondary reference Schatz Bearing Corporation Dba Schatz Bearing Corp |
NSN 3110-00-155-8918 is a Bearing,ball,annular, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-8918 has 4 manufacturer part numbers on file: 319687-434 (Naval Sea Systems Command), S12 1-2RPP (Fag Bearings Corporation), 77R22 (General Motors Corp), 177039-103 (Naval Sea Systems Command).
Key specifications for 319687-434: Retainer Fabrication Method: PRESSED; Lubrication Material: GREASE; Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.