The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-00-780-9090, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-00-780-9090 |
| Primary Part Number | 77C705020G1 |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Circuit Construction Type | ELECTRON TUBE |
| Phase | SINGLE |
| Average Power Rating Per Channel | 0.1 WATTS OUTPUT |
| Frequency Per Channel | 1350.0 KILOHERTZ NOMINAL OPERATING CHANNEL |
| Operating AC Frequency in Hertz | 60.0 NOMINAL SINGLE VOLTAGE |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | 01158FPS88V-80058 |
| External AC Operating Voltage in Volts | 6.3 NOMINAL SINGLE VOLTAGE |
| External DC Operating Voltage in Volts | 120.0 NOMINAL 2ND VOLTAGE |
| External DC Operating Voltage in Volts | 6.3 NOMINAL 1ST VOLTAGE |
| External DC Operating Voltage in Volts | 170.0 NOMINAL 3RD VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77C705020G1 | General Electric Company (USA) |
| 77C705020G1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 0-1158/FPS-88(V) | 5/2 Secondary reference U.S. Government activity |
NSN 5955-00-780-9090 is a Oscillator,noncrystal Controlled, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-780-9090 has 2 manufacturer part numbers on file: 77C705020G1 (General Electric Company), 77C705020G1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C705020G1: Circuit Construction Type: ELECTRON TUBE; Overall Height: 3.940 INCHES NOMINAL IN; Phase: SINGLE; Average Power Rating Per Channel: 0.1 WATTS OUTPUT. 11 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 5955-00-780-9090 has DEMIL Code B. 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.