The Bearing,ball,annular, cataloged under National Stock Number 3110-00-155-8917, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fag Bearings Corporation. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-155-8917 |
| Primary Part Number | S12 1-2RPTF |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fag Bearings Corporation |
| Status | ACTIVE |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 2.5000 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 1.3750 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | STEEL SHIELD |
| 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 |
|---|---|
| S12 1-2RPTF PRIMARY | Fag Bearings Corporation (USA) |
| 319687-404 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 177039-92 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| S12 1-2RF PRIMARY | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| S12 1-2RP PRIMARY | Fag Bearings Corporation (USA) |
| 7R22 PRIMARY | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 7R22 | 5/9 Secondary reference General Motors Corp Delco Moraine Ndh Div |
NSN 3110-00-155-8917 is a Bearing,ball,annular, manufactured by Fag Bearings Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-155-8917 has 6 manufacturer part numbers on file: S12 1-2RPTF (Fag Bearings Corporation), 319687-404 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 177039-92 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), S12 1-2RF (Schatz Bearing Corporation Dba Schatz Bearing Corp), S12 1-2RP (Fag Bearings Corporation) and 1 more.
Key specifications for S12 1-2RPTF: Internal Fit-Up Designation: STANDARD; Surface Finish: GROUND; Shield Quantity: 1; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 13 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.