The Bearing,ball,annular, cataloged under National Stock Number 3110-01-253-4297, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Spencer Turbine Company the. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Spencer Turbine Company the (CAGE 56213) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-253-4297 |
| Primary Part Number | 330121 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Spencer Turbine Company the |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 330121 PRIMARY | Spencer Turbine Company the (USA) |
| Reference | Meaning |
|---|---|
| 335121 | 5/9 Secondary reference Spencer Turbine Company the |
NSN 3110-01-253-4297 is a Bearing,ball,annular, manufactured by Spencer Turbine Company the, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-253-4297 has 1 manufacturer part number on file: 330121 (Spencer Turbine Company the).
2 possible matches (shared part number, not a government interchangeability claim): 7530-01-362-3260, 7025-01-679-7195. Verify interchangeability with system specifications before substitution.
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.