The Cover,synchro Receiver Mount, cataloged under National Stock Number 5990-01-210-9178, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. The record lists 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Cover,synchro Receiver Mount |
| FSC / FSG | 5990 — Synchros and Resolvers (FSG 59) |
| Manufacturers | Shiloh Industries Inc (CAGE 55097); Raytheon Company (CAGE 15090); Naval Sea Systems Command (CAGE 53711); Alek Industries Inc (CAGE 65534); Omega Precision (CAGE 61801) |
| Parameter | Value |
|---|---|
| NSN | 5990-01-210-9178 |
| Primary Part Number | 5543609 |
| Item Name | Cover,synchro Receiver Mount |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| SI-11453 | Shiloh Industries Inc (USA) |
| 5543609 | Raytheon Company (USA) |
| 5543609 PRIMARY | Naval Sea Systems Command (USA) |
| 5543609 | Alek Industries Inc (USA) |
| 5543609 | Omega Precision (USA) |
| Reference | Meaning |
|---|---|
| 5543609 | 5/9 Secondary reference Waltco Engineering Co |
NSN 5990-01-210-9178 is a Cover,synchro Receiver Mount, manufactured by Naval Sea Systems Command, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-210-9178 has 5 manufacturer part numbers on file: SI-11453 (Shiloh Industries Inc), 5543609 (Raytheon Company), 5543609 (Naval Sea Systems Command), 5543609 (Alek Industries Inc), 5543609 (Omega Precision).
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.