The Crystal,receiver, cataloged under National Stock Number 5955-01-239-1560, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-239-1560 |
| Primary Part Number | 11784865 |
| Item Name | Crystal,receiver |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | 2.026 IN. LG.; 0.433 IN. W.; 0.183 IN. H; 2 TERMINALS ARE 0.193 IN. APART,0.190 IN. DIA.; FREQUENCY ADJUSTMENT TOLERANCE(UNSYMMETRICAL) AT 24 DEG. C.=0 TO +20PPM; FREQUENCY CHANGE TOLERANCE OVER TEMP. RANGE -25 TO +55 DEG. C. RELATED TO FREQUENCY AT +24 DEG. C.+ OR - 9PPM; HOLDER=HC-18/U; FREQUENCYRANGE=28-57MHZ; MODE OF OSCILLATIONS=3RD MECHANICAL OVERTONE AT-CUT; OPERATING TEMP. RANGE=-55 TO +105 DEG. C.; OPERATING RESONANCE CONDITION=SERIES; EQUIVALENT RESISTANCE=LESS THAN 30 QHM; SERIES INDUCTANCE=5MH + OR - 20 PERCENT IN FREQUENCY RANGE 43-57MHZ,8MH + OR- 20 PERCENT IN FREQUENCY RANGE 28-43MHZ; PARALLEL CAPACITANCE=LESS THAN 7 PF MHz |
| 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 |
|---|---|
| 11784865 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5955-01-239-1560 is a Crystal,receiver, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-239-1560 has 1 manufacturer part number on file: 11784865 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 11784865: General Characteristics Item Description: 2.026 IN. LG.; 0.433 IN. W.; 0.183 IN. H; 2 TERMINALS ARE 0.193 IN. APART,0.190 IN. DIA.; FREQUENCY ADJUSTMENT TOLERANCE(UNSYMMETRICAL) AT 24 DEG. C.=0 TO +20PPM; FREQUENCY CHANGE TOLERANCE OVER TEMP. RANGE -25 TO +55 DEG. C. RELATED TO FREQUENCY AT +24 DEG. C.+ OR - 9PPM; HOLDER=HC-18/U; FREQUENCYRANGE=28-57MHZ; MODE OF OSCILLATIONS=3RD MECHANICAL OVERTONE AT-CUT; OPERATING TEMP. RANGE=-55 TO +105 DEG. C.; OPERATING RESONANCE CONDITION=SERIES; EQUIVALENT RESISTANCE=LESS THAN 30 QHM; SERIES INDUCTANCE=5MH + OR - 20 PERCENT IN FREQUENCY RANGE 43-57MHZ,8MH + OR- 20 PERCENT IN FREQUENCY RANGE 28-43MHZ; PARALLEL CAPACITANCE=LESS THAN 7 PF MHz. 1 specification is 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.