The Bearing,ball,annular, cataloged under National Stock Number 3110-01-329-1789, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ramsey Winch Co. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares 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 | Kovatch Corp. (CAGE 59556); Ramsey Winch Co (CAGE 23911) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-329-1789 |
| Primary Part Number | 400007 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ramsey Winch Co |
| 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 |
|---|---|
| 120556 ITEM 33 | Kovatch Corp. (USA) |
| 001556T | Kovatch Corp. (USA) |
| 400007 PRIMARY | Ramsey Winch Co (USA) |
NSN 3110-01-329-1789 is a Bearing,ball,annular, manufactured by Ramsey Winch Co, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-329-1789 has 3 manufacturer part numbers on file: 120556 ITEM 33 (Kovatch Corp.), 001556T (Kovatch Corp.), 400007 (Ramsey Winch Co).
1 possible match (shared part number, not a government interchangeability claim): 5980-01-347-7853. 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.