The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-723-5673, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-723-5673 |
| Primary Part Number | 666092-031 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Controlled Reference Temp | 85.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 |
| Terminal Diameter | 0.050 INCHES NOMINAL IN |
| Terminal Length | 0.243 INCHES NOMINAL IN |
| Mode of Oscillation | THIRD OVERTONE |
| Body Width | 0.718 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 6.0 NOMINAL |
| Overall Thickness | 0.344 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 0.2 MILLIWATTS NOMINAL |
| Body Length | 0.777 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.431 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 90.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | +84.5 TO 85.5 CELSIUS DEGC |
| Material | PLASTIC COVER HOLDER |
| Specified Frequency | 5.000 MEGAHERTZ |
| Body Thickness | 0.310 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 666092-031 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| SMC500876 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| SMC500876 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| SMC500876 | 5/9 Secondary reference Forway Industries Inc |
| SMC500876 | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
| SMC500876 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-00-723-5673 is a Crystal Unit,quartz, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-723-5673 has 3 manufacturer part numbers on file: 666092-031 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), SMC500876 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), SMC500876 (Raytheon Company).
Key specifications for 666092-031: Controlled Reference Temp: 85.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001; Terminal Diameter: 0.050 INCHES NOMINAL IN; Terminal Length: 0.243 INCHES NOMINAL IN. 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 5955-00-723-5673 has DEMIL Code B. 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.