The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-413-9944, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-413-9944 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.0005 TO 0.0005 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Overall Diameter | 0.350 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Terminal Length | 0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Mode of Oscillation | THIRD OVERTONE |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.319 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN |
| Drive Level Rating | 1.0 MILLIWATTS MAXIMUM |
| Specification/standard Data | 56232-1219373-201 MANUFACTURERS SPECIFICATION CONTROL |
| Center to Center Distance Between Terminals | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | +75.0 TO 85.0 CELSIUS DEGC |
| Test Data Document | 56232-1219373 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 | 72.000 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1361901 | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| 1219373-201 | 7/2 Vendor item drawing reference Lockheed Martin Corporation Div Rms |
| 1219373-201 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1361901 | 3/9 Design control — primary reference Piezo Crystal Co |
NSN 5955-01-413-9944 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-413-9944: Frequency Tolerance for Operating Temp in Percent: -0.0005 TO 0.0005; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Overall Diameter: 0.350 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Terminal Length: 0.150 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN. 14 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 5955-01-413-9944 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.