The Synchro,transmitter, cataloged under National Stock Number 5990-00-678-6005, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 18 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 | 5990-00-678-6005 |
| Primary Part Number | AB883A |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1205 INCHES MAXIMUM SINGLE SHAFT IN |
| Body Style | STANDARD ROUND B |
| Alignment Hole Bolt Circle Diameter | 0.6950 INCHES NOMINAL IN |
| Shaft Thread Length | 0.1719 INCHES NOMINAL SINGLE SHAFT IN |
| Frequency in Hertz | 400.0 NOMINAL |
| Terminal Location | REAR |
| Rotor Input Voltage Rating in Volts | 26.0 NOMINAL |
| Alignment Hole Quantity | 3 |
| Shaft Length | 0.1480 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Shaft Nominal Thread Size | 0.073 INCHES SINGLE SHAFT IN |
| Shaft Thread Direction | RIGHT-HAND SINGLE SHAFT |
| Shaft Thread Series Designator | UNF SINGLE SHAFT |
| Rotor Input Current Rating | 240.0 AMPERES MAXIMUM |
| Terminal Type and Quantity | 5 WIRE LEAD |
| Shaft Thread Class | 2A SINGLE SHAFT A |
| Maximum Temp Rise | 300.0 FAHRENHEIT DEGF |
| 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 |
|---|---|
| AB883A PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 5990-00-678-6005 is a Synchro,transmitter, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-678-6005 has 1 manufacturer part number on file: AB883A (Ametek, Inc. Div Aerospace & Defense).
Key specifications for AB883A: Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Shaft Diameter: 0.1195 INCHES MINIMUM AND 0.1205 INCHES MAXIMUM SINGLE SHAFT IN; Body Style: STANDARD ROUND B; Alignment Hole Bolt Circle Diameter: 0.6950 INCHES NOMINAL IN. 18 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.