The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-925-8014, 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 21 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-925-8014 |
| Primary Part Number | 537961-5 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Controlled Reference Temp | 75.0 CELSIUS DEGC |
| Operable Temp Range | -55.0 TO 90.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.004 TO 0.000 |
| Terminal Diameter | 0.040 INCHES NOMINAL IN |
| Frequency Tolerance at Reference Temp in Percent | -0.007 TO 0.007 |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.530 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 35.0 MAXIMUM |
| Frequency Stability in Percent | -0.0005 TO 0.0005 |
| Overall Thickness | 0.225 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM |
| Body Length | 0.560 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.275 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL AND 31.5 MINIMUM AND 32.5 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | +70.0 TO 80.0 CELSIUS DEGC |
| Specified Frequency | 3.733 MEGAHERTZ |
| Body Thickness | 0.202 INCHES NOMINAL 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 |
|---|---|
| 537961-5 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 537961-5 | 5/9 Secondary reference Inficon Edc Inc. |
| 537961-5 | 5/1 Secondary reference Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| 537961-5 | 5/9 Secondary reference Bliley Technologies Inc |
| 537961-5 | 5/1 Secondary reference Wenzel International Inc Div Croven Crystals |
| 537961-5 | 5/9 Secondary reference Electronic Research Company |
NSN 5955-00-925-8014 is a Crystal Unit,quartz, manufactured by Raytheon Company, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-925-8014 has 1 manufacturer part number on file: 537961-5 (Raytheon Company).
Key specifications for 537961-5: Controlled Reference Temp: 75.0 CELSIUS DEGC; Operable Temp Range: -55.0 TO 90.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.004 TO 0.000; Terminal Diameter: 0.040 INCHES NOMINAL IN. 21 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 5955-00-925-8014 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.