The Gear,spur Bearing,s, cataloged under National Stock Number 5840-00-606-1533, is classified within Federal Supply Class 5840 (Radar Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Gear,spur Bearing,s |
| FSC / FSG | 5840 — Radar Equipment, Except Airborne (FSG 58) |
| Manufacturers | Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings (CAGE 39820); L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (CAGE 30086); Kaydon Corporation Dba Kaydon Corp (CAGE 32828) |
| Parameter | Value |
|---|---|
| NSN | 5840-00-606-1533 |
| Primary Part Number | 497558-401 |
| Item Name | Gear,spur Bearing,s |
| FSC / FSG | 5840 / 58 — Radar Equipment, Except Airborne |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 18478-5 | Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings (USA) |
| 497558-401 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 04730001 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| B4730-1 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
NSN 5840-00-606-1533 is a Gear,spur Bearing,s, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5840, Radar Equipment, Except Airborne. Status: active.
NSN 5840-00-606-1533 has 4 manufacturer part numbers on file: 18478-5 (Kingsbury, Inc. Dba Messinger Bearings Div Messinger Bearings), 497558-401 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 04730001 (Kaydon Corporation Dba Kaydon Corp), B4730-1 (Kaydon Corporation Dba Kaydon Corp).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5840-00-606-1533 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.