The Synchro Assembly, cataloged under National Stock Number 5990-00-798-7793, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-798-7793 |
| Primary Part Number | 193883 |
| Item Name | Synchro Assembly |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTING OF 1 RESOLVER AND 1 SYNCHRO; CONTROL TRANSFORMER STACKED TOGETHER; RESOLVER ELECTRICAL REQUIREMENTS; 9.3 MA,95 MW,26 VOLTS,400 CYCLES PER SECOND; ROTOR IMPEDANCE WITH STATOR OPEN IN OHMS 1100; REACTANCE IN @OHMS 2570; SYNCHRO; CONTROL TRANSFORMER REQUIREMENTS; 10.2 VOLTS,30 MA,73 MW,400 CYCLES PER SECOND; ELECTRICAL ERROR 7 @MINUTES MAX; RESOLVER HAS 3 TURRET TYPE TERMINALS; TRANSFORMER HAS 5 WIRE LEAD TYPE TERMINALS; BODY DIM.,2.875 IN. MAX INCLUDING TERMINALS,0.957 IN DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5990-00-798-7793 is a Synchro Assembly, manufactured by Raytheon Company, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-798-7793 has 2 manufacturer part numbers on file: 193883 (Raytheon Company), 193883-1 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-562-0178. Verify interchangeability with system specifications before substitution.
Key specifications for 193883: General Characteristics Item Description: CONSISTING OF 1 RESOLVER AND 1 SYNCHRO; CONTROL TRANSFORMER STACKED TOGETHER; RESOLVER ELECTRICAL REQUIREMENTS; 9.3 MA,95 MW,26 VOLTS,400 CYCLES PER SECOND; ROTOR IMPEDANCE WITH STATOR OPEN IN OHMS 1100; REACTANCE IN @OHMS 2570; SYNCHRO; CONTROL TRANSFORMER REQUIREMENTS; 10.2 VOLTS,30 MA,73 MW,400 CYCLES PER SECOND; ELECTRICAL ERROR 7 @MINUTES MAX; RESOLVER HAS 3 TURRET TYPE TERMINALS; TRANSFORMER HAS 5 WIRE LEAD TYPE TERMINALS; BODY DIM.,2.875 IN. MAX INCLUDING TERMINALS,0.957 IN DIA IN. 1 specification is 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.