The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-722-9504, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-722-9504 |
| Primary Part Number | SM-C-500912-1 |
| 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 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.535 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 290.0 MAXIMUM |
| Overall Thickness | 0.237 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 8.0 MILLIWATTS MINIMUM AND 12.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.267 INCHES MINIMUM AND 0.283 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 31.5 MINIMUM AND 32.5 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 3.5 MINIMUM AND 4.5 MAXIMUM |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Specified Frequency | 1.940 MEGAHERTZ |
| Body Thickness | 0.210 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SM-C-500912-1 | Raytheon Company (USA) |
| 666211-012 | Stromberg-Carlson Corp a Plessey Telecommunications Co (USA) |
| SM-C-500912-1 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| SM-C-500912-1 | 5/9 Secondary reference Electronic Research Company |
| SM-C-500912-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-00-722-9504 is a Crystal Unit,quartz, manufactured by Raytheon Company, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-722-9504 has 3 manufacturer part numbers on file: SM-C-500912-1 (Raytheon Company), 666211-012 (Stromberg-Carlson Corp a Plessey Telecommunications Co), SM-C-500912-1 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for SM-C-500912-1: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: FUNDAMENTAL. 16 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 5955-00-722-9504 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.