The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-445-7201, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-445-7201 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Overall Diameter | 0.420 INCHES MAXIMUM IN |
| Special Test Features | ANITRESONANCE: LOAD CAPACITANCE: 30PF + OR - .5PF; MODE OF OSCILLATION: FUNDAMENTAL; RATED DRIVE LEVEL: 1.0MW MAXIMUM; CAPACITANCE, SHUNT: 7 PF, MAXIMUM; SHOCK (SPECIFIED PULSE): FREQUENCY CHANGE PERMITTED: + OR - 5PPM; EQUIVALENT RESISTANCE CHANGE PERMITTED: + OR - 10%; THERMAL SHOCK FREQUENCY CHANGE PERMITTED: + OR - 5PPM; EQUIVALENT RESISTANCE CHANGE PERMITTED: + OR - 10% |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| 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 |
| Reference | Meaning |
|---|---|
| MIL-PRF-3098H | 5/9 Secondary reference U.S. Government activity |
| CR101/U9M000000 | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-3098/103 | 4/1 Identification reference U.S. Government activity |
NSN 5955-01-445-7201 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-445-7201: Overall Diameter: 0.420 INCHES MAXIMUM IN; Special Test Features: ANITRESONANCE: LOAD CAPACITANCE: 30PF + OR - .5PF; MODE OF OSCILLATION: FUNDAMENTAL; RATED DRIVE LEVEL: 1.0MW MAXIMUM; CAPACITANCE, SHUNT: 7 PF, MAXIMUM; SHOCK (SPECIFIED PULSE): FREQUENCY CHANGE PERMITTED: + OR - 5PPM; EQUIVALENT RESISTANCE CHANGE PERMITTED: + OR - 10%; THERMAL SHOCK FREQUENCY CHANGE PERMITTED: + OR - 5PPM; EQUIVALENT RESISTANCE CHANGE PERMITTED: + OR - 10%; Overall Length: 0.255 INCHES MAXIMUM IN; Special Features: FREQUENCY RANGE: 7MHZ TO 20.0 MHZ, INCLUSIVE; FREQUENCY TOLERANCE: + OR - 50 PARTS PER MILLION (PPM); EQUIVALENT RESISTANCE: 7MHZ TO 10MHZ: 30 OHMS; 10+ MHZ TO 20 MHZ: 25 OHMS MHz. 3 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 5955-01-445-7201 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.