The Encoder,shaft Angle to Digital, cataloged under National Stock Number 5990-01-503-9804, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Heidenhain Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-503-9804 |
| Primary Part Number | 309-928-11 |
| Item Name | Encoder,shaft Angle to Digital |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Heidenhain Corp |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 5.0 AC |
| Overall Diameter | 110.0 MILLIMETERS NOMINAL MM |
| Current Rating | 250.000 MILLIAMPERES |
| 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 |
|---|---|
| 309-928-11 PRIMARY | Heidenhain Corp (USA) |
| Reference | Meaning |
|---|---|
| 309-928-11 | 5/9 Secondary reference Heidenhain Corp |
NSN 5990-01-503-9804 is a Encoder,shaft Angle to Digital, manufactured by Heidenhain Corp, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-503-9804 has 1 manufacturer part number on file: 309-928-11 (Heidenhain Corp).
Key specifications for 309-928-11: Overall Height: 55.0 MILLIMETERS NOMINAL MM; Voltage in Volts and Current Type: 5.0 AC; Overall Diameter: 110.0 MILLIMETERS NOMINAL MM; Overall Width: 92.0 MILLIMETERS NOMINAL MM. 3 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 5990-01-503-9804 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.