The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-413-8593, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-413-8593 |
| Primary Part Number | 535685-3 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Second Center to Center Distance Between Terminals | 4.300 MILLIMETERS MINIMUM AND 4.500 MILLIMETERS MAXIMUM MM |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 200.0 MAXIMUM |
| Style Designator | RECTANGULAR BODY, SURFACE MOUNT |
| Drive Level Rating | 100.0 MICROWATTS NOMINAL |
| Center to Center Distance Between Terminals | 9.200 MILLIMETERS MINIMUM AND 9.400 MILLIMETERS MAXIMUM MM |
| Load Capacitance in Picofarads | 18.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -30.0 TO 85.0 CELSIUS DEGC |
| Material | CERAMIC COVER HOLDER |
| Specified Frequency | 3.6864 MEGAHERTZ |
| 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 |
|---|---|
| 534-11X-3.6864MHZ | M-Tron Industries, Inc (USA) |
| 535685-3 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| SMD-X-3.6864MHZ | 5/9 Secondary reference R C D Inc |
NSN 5955-01-413-8593 is a Crystal Unit,quartz, manufactured by Raytheon Company, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-413-8593 has 2 manufacturer part numbers on file: 534-11X-3.6864MHZ (M-Tron Industries, Inc), 535685-3 (Raytheon Company).
Key specifications for 535685-3: Overall Height: 5.100 MILLIMETERS MAXIMUM MM; Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Second Center to Center Distance Between Terminals: 4.300 MILLIMETERS MINIMUM AND 4.500 MILLIMETERS MAXIMUM MM; Mode of Oscillation: FUNDAMENTAL. 13 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.