The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-231-9086, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-231-9086 |
| Primary Part Number | 77C716455P005 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Control Type | REMOTE |
| Vibration Resistance Range in Hertz | +10.0 TO 2000.0 |
| Frequency Per Channel | 19.66 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 1000.0 |
| Shock Pulse Duration Time | 0.35 MILLISECONDS MS |
| Storage Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Installation Design | MODULE |
| Vibration Resistance Amplitude | 20.0 GRAVITATIONAL UNITS |
| External DC Operating Voltage in Volts | 4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| 77C716455P005 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| M1245-19.66M | 3/9 Design control — primary reference Mf Electronics Corp. |
| 5406-3-19.66M | 5/9 Secondary reference Mf Electronics Corp. |
NSN 5955-01-231-9086 is a Oscillator,crystal Controlled, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-231-9086 has 1 manufacturer part number on file: 77C716455P005 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C716455P005: Circuit Construction Type: SOLID STATE; Overall Height: 0.365 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Control Type: REMOTE. 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.
NSN 5955-01-231-9086 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.