The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-005-9687, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Universal Crystal Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-005-9687 |
| Primary Part Number | 158-0082-00 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Universal Crystal Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.020 TO 0.020 |
| Terminal Diameter | 0.050 INCHES NOMINAL IN |
| Terminal Length | 0.238 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.725 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 7500.0 MAXIMUM |
| Overall Thickness | 0.352 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL |
| Body Length | 0.775 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 400.000 KILOHERTZ |
| Body Thickness | 0.317 INCHES NOMINAL 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 |
|---|---|
| 158-0082-00 | Universal Crystal Inc (USA) |
| Reference | Meaning |
|---|---|
| 158-0082-00 | 5/9 Secondary reference Inficon Edc Inc. |
| 158-0082-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-005-9687 is a Crystal Unit,quartz, manufactured by Universal Crystal Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-005-9687 has 1 manufacturer part number on file: 158-0082-00 (Universal Crystal Inc).
Key specifications for 158-0082-00: Frequency Tolerance for Operating Temp in Percent: -0.020 TO 0.020; Terminal Diameter: 0.050 INCHES NOMINAL IN; Terminal Length: 0.238 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 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.