The Synchro,transmitter, cataloged under National Stock Number 5990-01-272-4091, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-01-272-4091 |
| Primary Part Number | 3630-5097-1 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin |
| Status | ACTIVE |
| Body Size | 15 |
| Shaft Type | SPLINE SINGLE SHAFT |
| Flange Diameter | 1.4370 INCHES MAXIMUM IN |
| Undercut Width | 0.0780 INCHES NOMINAL IN |
| Shaft Diameter | 0.1875 INCHES NOMINAL SINGLE SHAFT IN |
| Length | 0.1290 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM SHOULDER IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND B |
| Flange Thickness | 0.0900 INCHES MINIMUM AND 0.0960 INCHES MAXIMUM IN |
| Rotor Input Electrical Power Rating | 1.2 WATTS NOMINAL |
| Frequency in Hertz | 400.0 NOMINAL |
| Rotor Input Voltage Rating in Volts | 115.0 NOMINAL |
| Shaft Length | 0.5550 INCHES NOMINAL SINGLE SHAFT IN |
| Body Material | STEEL CORROSION RESISTING |
| Pilot Diameter | 0.8750 INCHES NOMINAL IN |
| Shoulder Diameter | 1.3120 INCHES NOMINAL IN |
| Pilot Length | 0.0370 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Rotor Input Current Rating | 85.0 MILLIAMPERES NOMINAL |
| 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 |
|---|---|
| 3630-5097-1 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin (USA) |
| Reference | Meaning |
|---|---|
| 4535-15-187-E-2 3/4 | 5/9 Secondary reference Vemaline Products Inc Dba Handles Unlimited Div Handles Unlimited |
| VCX25-4A2-M0D | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5990-01-272-4091 is a Synchro,transmitter, manufactured by Lockheed Martin Corporation Dba Lockheed Martin, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-272-4091 has 1 manufacturer part number on file: 3630-5097-1 (Lockheed Martin Corporation Dba Lockheed Martin).
Key specifications for 3630-5097-1: Body Size: 15; Shaft Type: SPLINE SINGLE SHAFT; Flange Diameter: 1.4370 INCHES MAXIMUM IN; Undercut Width: 0.0780 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.