The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-099-0045, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Wenzel International Inc Div Croven Crystals. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-099-0045 |
| Primary Part Number | SM-B-620761-1C |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Wenzel International Inc Div Croven Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.003 TO 0.003 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | THIRD OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 30.0 MAXIMUM |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Specified Frequency | 46.850 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| 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 |
|---|---|
| SM-B-620761-1C | Wenzel International Inc Div Croven Crystals (CAN) |
| Reference | Meaning |
|---|---|
| SM-B-620761-1C | 5/9 Secondary reference United States Crystal Corp |
| SM-B-620761-1C | 5/9 Secondary reference Inficon Edc Inc. |
| SM-B-620761-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SM-B-620761-1C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-099-0045 is a Crystal Unit,quartz, manufactured by Wenzel International Inc Div Croven Crystals, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-099-0045 has 1 manufacturer part number on file: SM-B-620761-1C (Wenzel International Inc Div Croven Crystals).
Key specifications for SM-B-620761-1C: Frequency Tolerance for Operating Temp in Percent: -0.003 TO 0.003; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM IN; Mode of Oscillation: THIRD OVERTONE. 15 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.