The Ring,bearing,inner, cataloged under National Stock Number 3110-01-020-2496, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ge Aviation Systems Ltd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3110-01-020-2496 |
| Primary Part Number | 40-173-539-01/A-D |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ge Aviation Systems Ltd |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | INNER RING, ROLLER, SINGLE LIP |
| Bore Shape | STRAIGHT |
| Bore Diameter | 0.0785 INCHES MINIMUM AND 0.0786 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 40-173-539-01/A-D PRIMARY | Ge Aviation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 40-173-539-01 | C/1 Advisory reference — outside the item-of-supply concept Ge Aviation Systems Ltd |
NSN 3110-01-020-2496 is a Ring,bearing,inner, manufactured by Ge Aviation Systems Ltd, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-020-2496 has 1 manufacturer part number on file: 40-173-539-01/A-D (Ge Aviation Systems Ltd).
Key specifications for 40-173-539-01/A-D: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, SINGLE LIP; Overall Width: 0.0896 INCHES MINIMUM AND 0.0906 INCHES MAXIMUM IN; Bore Shape: STRAIGHT. 4 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.