The Synchro,control Transformer, cataloged under National Stock Number 5990-00-115-5851, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-115-5851 |
| Primary Part Number | 7901521-2 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — No Item Name Available |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation |
| Status | ACTIVE |
| Stator Input Electrical Power Rating | 80.0 MILLIWATTS NOMINAL |
| Actuator Friction Torque at Plus 25 Deg Celsius | 4.0 CENTIMETER-GRAMS NOMINAL CM |
| Frequency in Hertz | 400.0 NOMINAL |
| Pilot Length | 0.0380 INCHES NOMINAL IN |
| Shaft End Play Determining Weight | 3.0 OUNCES OZ |
| Material | STEEL CORROSION RESISTING BODY |
| Fragility Factor | MODERATELY RUGGED |
| Shaft Diameter | 0.0900 INCHES MAXIMUM SINGLE SHAFT IN |
| Shaft Length | 0.3750 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft End Play | 0.0003 INCHES MINIMUM AND 0.0015 INCHES MAXIMUM IN |
| Terminal Type and Quantity | 5 SCREW |
| Zro Resistance in Ohms | 595.00 NOMINAL |
| Schematic Diagram Designator | 1 Y-ROTOR, 1 STATOR |
| Shaft Slot Depth | 0.0250 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Stator Input Voltage Rating in Volts | 26.0 NOMINAL |
| Electrical Error Angular Range in Minutes | -10.0 TO 10.0 |
| Stator Input Current Rating | 12.0 MILLIAMPERES NOMINAL |
| Zrs Resistance in Ohms | 750.00 NOMINAL |
| Plus J Zso Reactance in Ohms | 427.00 NOMINAL |
| Terminal Location | REAR |
| Rotor DC Resistance in Ohms | 410.00 NOMINAL |
| Mounting Surface to Terminal End Distance | 1.2410 INCHES NOMINAL IN |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Phase Shift Angle in Deg | 11.000 INPUT TO OUTPUT NOMINAL |
| Length | 0.0630 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Shoulder Diameter | 0.8123 INCHES MAXIMUM IN |
| Flange Thickness | 0.0620 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7901521-2 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation (USA) |
| AY100UY-59-A6 | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| 10CT-302-E-36/10 | American Precision Industries, Inc Div Portescap Us (USA) |
| 55139 | Bowmar Llc Dba Bowmar Instrument Corp (USA) |
| ETH-10-CKS-004/A004 | Moog Inc. (USA) |
| AY100UY-59-A6 | Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA) |
NSN 5990-00-115-5851 is a Synchro,control Transformer, manufactured by Ge Aviation Systems Llc Dba Ge Aviation, classified under FSC 5990 (No Item Name Available). Status: active.
NSN 5990-00-115-5851 has 6 cross-referenced part numbers: 7901521-2 (Ge Aviation Systems Llc Dba Ge Aviation), AY100UY-59-A6 (Honeywell International, Inc Div Aerospace-Tucson), 10CT-302-E-36/10 (American Precision Industries, Inc Div Portescap Us), 55139 (Bowmar Llc Dba Bowmar Instrument Corp), ETH-10-CKS-004/A004 (Moog Inc.) and 1 more.
There are 4 known substitutes for 5990-00-115-5851: 2910-00-063-7850, 5330-00-139-7449, 5305-00-521-8650 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7901521-2: Stator Input Electrical Power Rating: 80.0 MILLIWATTS NOMINAL; Actuator Friction Torque at Plus 25 Deg Celsius: 4.0 CENTIMETER-GRAMS NOMINAL CM; Frequency in Hertz: 400.0 NOMINAL; Pilot Length: 0.0380 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.