The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-01-165-9748, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-165-9748 |
| Primary Part Number | 77C718637P001 |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 20.714 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | 77C718637P001-03538 |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Installation Design | MODULE |
| 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 |
|---|---|
| 77C718637P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 5623-20.714M | Mf Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| S423-20.714M | 5/9 Secondary reference Mf Electronics Corp. |
NSN 5955-01-165-9748 is a Oscillator,noncrystal Controlled, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-165-9748 has 2 manufacturer part numbers on file: 77C718637P001 (Lockheed Martin Corporation Div Rms), 5623-20.714M (Mf Electronics Corp.).
Key specifications for 77C718637P001: Circuit Construction Type: SOLID STATE; Overall Height: 0.500 INCHES NOMINAL IN; Inclosure Type: ENCASED; Frequency Per Channel: 20.714 MEGAHERTZ NOMINAL OPERATING CHANNEL. 10 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.