The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-049-4209, 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 19 specifications, 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 | 5955-01-049-4209 |
| Primary Part Number | 13-00040-265 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Controlled Reference Temp | 80.0 CELSIUS DEGC |
| Operable Temp Range | -30.0 TO 20.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.002 TO 0.002 |
| Terminal Diameter | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Frequency Tolerance at Reference Temp in Percent | -0.005 TO 0.005 |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.394 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 22.0 NOMINAL |
| Frequency Stability in Percent | -0.005 TO 0.005 |
| Overall Thickness | 0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 2.5 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 20.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Specified Frequency | 11.131 MEGAHERTZ |
| Body Thickness | 0.142 INCHES MINIMUM AND 0.149 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 |
|---|---|
| 13-00040-265 PRIMARY | Raytheon Company (USA) |
NSN 5955-01-049-4209 is a Crystal Unit,quartz, manufactured by Raytheon Company, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-049-4209 has 1 manufacturer part number on file: 13-00040-265 (Raytheon Company).
Key specifications for 13-00040-265: Controlled Reference Temp: 80.0 CELSIUS DEGC; Operable Temp Range: -30.0 TO 20.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.002 TO 0.002; Terminal Diameter: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN. 19 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 5955-01-049-4209 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.