The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-421-2974, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Colorado Crystal Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-421-2974 |
| Primary Part Number | CCAT102714 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Colorado Crystal Corporation |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Overall Diameter | 0.420 INCHES MAXIMUM IN |
| Terminal Length | 0.600 INCHES MINIMUM IN |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.326 INCHES MAXIMUM IN |
| Specification/standard Data | 0DNU9-19010239-1 MANUFACTURERS SOURCE CONTROL |
| Center to Center Distance Between Terminals | 0.192 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Operating Temp Range | -54.0 TO 94.0 CELSIUS DEGC |
| Test Data Document | 0DNU9-19010239 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Specified Frequency | 20.6464 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CCAT102714 PRIMARY | Colorado Crystal Corporation (USA) |
| 19010239-1 | Applied Data Technology, Inc. (USA) |
NSN 5955-01-421-2974 is a Crystal Unit,quartz, manufactured by Colorado Crystal Corporation, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-421-2974 has 2 manufacturer part numbers on file: CCAT102714 (Colorado Crystal Corporation), 19010239-1 (Applied Data Technology, Inc.).
Key specifications for CCAT102714: Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN; Overall Diameter: 0.420 INCHES MAXIMUM IN; Terminal Length: 0.600 INCHES MINIMUM 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.
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.