The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-377-3390, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is M-Tron Industries, Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-377-3390 |
| Primary Part Number | MP-1-20.000MHZ |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | M-Tron Industries, Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES MINIMUM IN |
| Overall Thickness | 0.176 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 500.0 MICROWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 20.000 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MP-1-20.000MHZ | M-Tron Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 89500-20000 | 5/9 Secondary reference U.S. Government activity |
| 950-3973-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-377-3390 is a Crystal Unit,quartz, manufactured by M-Tron Industries, Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-377-3390 has 1 manufacturer part number on file: MP-1-20.000MHZ (M-Tron Industries, Inc).
Key specifications for MP-1-20.000MHZ: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.017 INCHES NOMINAL IN; Terminal Length: 0.500 INCHES MINIMUM IN; Overall Thickness: 0.176 INCHES MAXIMUM IN. 11 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 5955-01-377-3390 has DEMIL Code Q. 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.