The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-352-9437, 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 Rotary and Mission Systems. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-352-9437 |
| Primary Part Number | 123A892-1 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Average Life Rating | 75000.0 |
| Inclosure Type | ENCASED |
| Control Type | REMOTE |
| Frequency Per Channel | 40.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PLUG CONNECTOR AND COAXIAL RECEPTACLE FRONT |
| Connection Contact Type and Quantity | 1 CONNECTOR, PLUG EXTERNAL AND 1 RECEPTACLE, COAXIAL EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 60000.0 FEET FT |
| Average Life Measurement | HOURS |
| Environmental Protection | MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Installation Design | MECHANICAL |
| External DC Operating Voltage in Volts | 12.0 NOMINAL 3RD VOLTAGE |
| External DC Operating Voltage in Volts | 5.0 NOMINAL 1ST VOLTAGE |
| External DC Operating Voltage in Volts | 12.0 NOMINAL 2ND VOLTAGE |
| External DC Operating Voltage in Volts | 28.0 NOMINAL 4TH VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123A892-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| MC832X4-002H | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
NSN 5955-01-352-9437 is a Oscillator,crystal Controlled, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-352-9437 has 2 manufacturer part numbers on file: 123A892-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), MC832X4-002H (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 123A892-1: Circuit Construction Type: SOLID STATE; Overall Height: 1.550 INCHES MAXIMUM IN; Average Life Rating: 75000.0; Inclosure Type: ENCASED. 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 5955-01-352-9437 has DEMIL Code Q. 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.