The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-00-503-1186, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-503-1186 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Circuit Construction Type | ELECTRON TUBE |
| FSC Application Data | TELEPHONE TERMINAL |
| Impedance Rating Per Channel | 0.600 KILOHMS OUTPUT CHANNEL |
| Phase | SINGLE |
| Inclosure Type | OPEN |
| Average Power Rating Per Channel | 1.0 MILLIWATTS OUTPUT |
| Frequency Per Channel | 4.0 KILOHERTZ MINIMUM OUTPUT CHANNEL AND 20.0 KILOHERTZ MAXIMUM OUTPUT CHANNEL |
| Operating AC Frequency in Hertz | 60.0 NOMINAL SINGLE VOLTAGE |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Individual Step Frequency | 4.0 KILOHERTZ |
| External AC Operating Voltage in Volts | 6.3 NOMINAL SINGLE VOLTAGE |
| Frequency Adjustment Type | STEPPED |
| External DC Operating Voltage in Volts | 200.0 NOMINAL SINGLE 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 |
| Reference | Meaning |
|---|---|
| GS55113 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| GS55113 | 5/9 Secondary reference At and T Corp |
| GS55113 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| SCA46692D | 5/2 Secondary reference U.S. Government activity |
| SCD62634 | 5/2 Secondary reference U.S. Government activity |
| GS55113 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
NSN 5955-00-503-1186 is a Oscillator,crystal Controlled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-00-503-1186: Circuit Construction Type: ELECTRON TUBE; Overall Height: 4.437 INCHES NOMINAL IN; FSC Application Data: TELEPHONE TERMINAL; Impedance Rating Per Channel: 0.600 KILOHMS OUTPUT CHANNEL. 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.
NSN 5955-00-503-1186 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.