The Synchro,transmitter, cataloged under National Stock Number 5990-00-855-5899, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5990-00-855-5899 |
| Primary Part Number | 534861 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Body Size | 8 |
| Rotor Input Electrical Power Rating | 440.0 MILLIWATTS NOMINAL |
| Frequency in Hertz | 400.0 NOMINAL |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Transformation Ratio | 0.454 ROTOR TO STATOR NOMINAL |
| Rotor Input Current Rating | 90.0 MILLIAMPERES NOMINAL |
| Terminal Type and Quantity | 5 WIRE LEAD |
| 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 |
|---|---|
| 534861 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 534861 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 534861 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5990-00-855-5899 is a Synchro,transmitter, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-855-5899 has 1 manufacturer part number on file: 534861 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-120-4987. Verify interchangeability with system specifications before substitution.
Key specifications for 534861: Body Size: 8; Rotor Input Electrical Power Rating: 440.0 MILLIWATTS NOMINAL; Frequency in Hertz: 400.0 NOMINAL; Rotor Input Voltage Rating in Volts: 26.0 NOMINAL. 7 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 5990-00-855-5899 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.