The Synchro,control Transformer, cataloged under National Stock Number 5990-00-027-5689, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-027-5689 |
| Primary Part Number | 536551 |
| Item Name | Synchro,control Transformer |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Body Size | 9 |
| Shaft Type | ROUND, THREADED SINGLE SHAFT |
| Body Diameter | 0.8750 INCHES NOMINAL IN |
| Shaft Diameter | 0.1870 INCHES NOMINAL SINGLE SHAFT IN |
| Stator Input Current Rating | 30.0 MILLIAMPERES NOMINAL |
| Shaft Thread Length | 0.1500 INCHES NOMINAL SINGLE SHAFT IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Stator Input Electrical Power Rating | 73.0 MILLIWATTS NOMINAL |
| Shaft Length | 0.4370 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft Nominal Thread Size | 0.073 INCHES SINGLE SHAFT IN |
| Stator Input Voltage Rating in Volts | 11.8 NOMINAL |
| Shaft Thread Series Designator | UNF SINGLE SHAFT |
| Terminal Type and Quantity | 2 SCREW |
| Shaft Thread Class | 3B SINGLE SHAFT |
| 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 |
|---|---|
| 536551 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 536551 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 536551 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 5990-00-027-5689 is a Synchro,control Transformer, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-027-5689 has 1 manufacturer part number on file: 536551 (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 536551: Body Size: 9; Shaft Type: ROUND, THREADED SINGLE SHAFT; Body Diameter: 0.8750 INCHES NOMINAL IN; Shaft Diameter: 0.1870 INCHES NOMINAL SINGLE SHAFT IN. 14 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.
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.