The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-246-9844, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 14 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-246-9844 |
| Primary Part Number | 82-25-6 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -5.000 TO 5.000 |
| Terminal Diameter | 0.0185 INCHES NOMINAL IN |
| Overall Diameter | 0.383 INCHES NOMINAL IN |
| Terminal Length | 0.600 INCHES NOMINAL IN |
| Mode of Oscillation | FIFTH OVERTONE |
| Equivalent Resistance Value in Ohms | 25.0 MAXIMUM |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.325 INCHES NOMINAL IN |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 109.478 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-01-246-9844 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-246-9844 has 2 manufacturer part numbers on file: 82-25-6 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), ST88D38-6 (Lockheed Martin Corp).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-476-0289. Verify interchangeability with system specifications before substitution.
Key specifications for 82-25-6: Frequency Tolerance for Operating Temp in Percent: -5.000 TO 5.000; Terminal Diameter: 0.0185 INCHES NOMINAL IN; Overall Diameter: 0.383 INCHES NOMINAL IN; Terminal Length: 0.600 INCHES NOMINAL 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 5955-01-246-9844 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.