The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-00-657-2391, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-657-2391 |
| Primary Part Number | 1654685 |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Circuit Construction Type | ELECTRON TUBE |
| Inclosure Type | ENCASED |
| Overall Diameter | 1.330 INCHES MAXIMUM IN |
| Control Type | REMOTE |
| Frequency Per Channel | 360.0 HERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 8 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | CYLINDRICAL |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Installation Design | MECHANICAL AND MODULE |
| External DC Operating Voltage in Volts | 20.0 MINIMUM SINGLE VOLTAGE AND 30.0 MAXIMUM SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-00-657-2391 is a Oscillator,noncrystal Controlled, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-657-2391 has 3 manufacturer part numbers on file: Y-1396 (Greenray Industries, Inc.), 1654685 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), V2007-6 (Power Control Devices, Inc.).
Key specifications for 1654685: Circuit Construction Type: ELECTRON TUBE; Inclosure Type: ENCASED; Overall Diameter: 1.330 INCHES MAXIMUM IN; Control Type: REMOTE. 13 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.