The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-177-2889, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-177-2889 |
| Primary Part Number | 6121013-2 |
| 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 |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Per Channel | 37.748736 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 |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 15.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6121013-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| MC171X2-003H | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
NSN 5955-01-177-2889 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 5955-01-177-2889 has 2 manufacturer part numbers on file: 6121013-2 (Lockheed Martin Corporation Div Rotary and Mission Systems), MC171X2-003H (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 6121013-2: Circuit Construction Type: SOLID STATE; Overall Height: 0.250 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Frequency Per Channel: 37.748736 MEGAHERTZ NOMINAL OPERATING CHANNEL. 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 5955-01-177-2889 has DEMIL Code D. 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.