The Synchro,transmitter, cataloged under National Stock Number 5990-01-277-9753, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schulze Mfg., Inc.. Government technical data includes 9 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 | 5990-01-277-9753 |
| Primary Part Number | AILFE-689 |
| Item Name | Synchro,transmitter |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Schulze Mfg., Inc. |
| Status | ACTIVE |
| Flange Diameter | 3.3750 INCHES NOMINAL IN |
| Body Style | STANDARD ROUND A |
| Alignment Hole Bolt Circle Diameter | 3.0620 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 6.1880 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Terminal Location | SIDE |
| Pilot Diameter | 1.2480 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN |
| Pilot Length | 0.1250 INCHES NOMINAL IN |
| Terminal Type and Quantity | 4 WIRE LEAD |
| 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 |
|---|---|
| AILFE-689 PRIMARY | Schulze Mfg., Inc. (USA) |
NSN 5990-01-277-9753 is a Synchro,transmitter, manufactured by Schulze Mfg., Inc., classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-277-9753 has 1 manufacturer part number on file: AILFE-689 (Schulze Mfg., Inc.).
Key specifications for AILFE-689: Flange Diameter: 3.3750 INCHES NOMINAL IN; Body Style: STANDARD ROUND A; Alignment Hole Bolt Circle Diameter: 3.0620 INCHES NOMINAL IN; Mounting Surface to Terminal End Distance: 6.1880 INCHES NOMINAL IN. 9 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.