The Adapter,synchro, cataloged under National Stock Number 5990-01-017-3590, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is A M Machine Co Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5990-01-017-3590 |
| Primary Part Number | 1020C0541 |
| Item Name | Adapter,synchro |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | A M Machine Co Inc |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Usage Design | ADAPTS 1.563 IN. DIA SYNCHRO TO 3.218 IN. BY 2.060 IN. MTG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1020C0541 | A M Machine Co Inc (USA) |
| 1020C0541 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1020C0541 | 3/9 Design control — primary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5990-01-017-3590 is a Adapter,synchro, manufactured by A M Machine Co Inc, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-017-3590 has 2 manufacturer part numbers on file: 1020C0541 (A M Machine Co Inc), 1020C0541 (Lockheed Martin Corporation Div Rms).
Key specifications for 1020C0541: Overall Height: 1.182 INCHES NOMINAL IN; Overall Length: 3.660 INCHES NOMINAL IN; Overall Width: 2.500 INCHES NOMINAL IN; Material: ALUMINUM ALLOY. 2 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 5990-01-017-3590 has DEMIL Code Q. 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.