The Synchro,receiver-Transmitter, cataloged under National Stock Number 5990-01-164-8673, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics Motion Control Llc. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-164-8673 |
| Primary Part Number | VTRX18-4N1 |
| Item Name | Synchro,receiver-Transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | General Dynamics Motion Control Llc |
| Status | ACTIVE |
| Body Size | 18 |
| Shaft Type | SPLINE W/THREADS SINGLE SHAFT |
| Flange Diameter | 1.7500 INCHES NOMINAL IN |
| Zss Impedance Magnitude in Ohms | 18.50 NOMINAL |
| Undercut Width | 0.0780 INCHES NOMINAL IN |
| Shaft Diameter | 0.1872 INCHES NOMINAL SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 9.00 NOMINAL |
| Undercut Diameter | 1.6250 INCHES NOMINAL IN |
| Length | 0.1320 INCHES NOMINAL SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND C |
| Shaft Radial Play Determining Weight | 8.0 OUNCES OZ |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Torque Gradient Per Angular Deg | 10.000 INCH-OUNCES NOMINAL IN |
| Shaft Maximum Runout | 0.0008 INCHES IN |
| Rotor Input Electrical Power Rating | 4.0 WATTS NOMINAL |
| Spline Tooth Quantity | 21 SINGLE SHAFT |
| Shaft Thread Length | 0.2000 INCHES NOMINAL SINGLE SHAFT IN |
| Phase Shift Angle in Deg | 40.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 2.5200 INCHES NOMINAL IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft End Play Determining Weight | 16.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0006 INCHES IN |
| Shaft Length | 0.4490 INCHES NOMINAL SINGLE SHAFT IN |
| Pilot Diameter | 0.9375 INCHES NOMINAL IN |
| Spline Tooth Diametral Pitch | 120 SINGLE SHAFT |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 50.00 OUTPUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| VTRX18-4N1 PRIMARY | General Dynamics Motion Control Llc (USA) |
NSN 5990-01-164-8673 is a Synchro,receiver-Transmitter, manufactured by General Dynamics Motion Control Llc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-164-8673 has 1 manufacturer part number on file: VTRX18-4N1 (General Dynamics Motion Control Llc).
Key specifications for VTRX18-4N1: Body Size: 18; Shaft Type: SPLINE W/THREADS SINGLE SHAFT; Flange Diameter: 1.7500 INCHES NOMINAL IN; Zss Impedance Magnitude in Ohms: 18.50 NOMINAL. 29 specifications are 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.
NSN 5990-01-164-8673 has DEMIL Code D. 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.