The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-159-7651, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Thales Nederland. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-159-7651 |
| Primary Part Number | 352250023901 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Thales Nederland |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | THIRD OVERTONE |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 40.0 MAXIMUM |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Specification/standard Data | 81349-MIL-C-3098/58 GOVERNMENT SPECIFICATION |
| Body Length | 0.530 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Test Data Document | 81349-MIL-C-3098 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Specified Frequency | 41.966782 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 352250023901 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| MIL-PRF-3098/58 | 4/1 Identification reference U.S. Government activity |
| MIL-C-3098/58 | 5/9 Secondary reference U.S. Government activity |
| CR81/U41M96678 | 2/2 Government specification standardization U.S. Government activity |
NSN 5955-01-159-7651 is a Crystal Unit,quartz, manufactured by Thales Nederland, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-159-7651 has 1 manufacturer part number on file: 352250023901 (Thales Nederland).
Key specifications for 352250023901: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Mode of Oscillation: THIRD OVERTONE. 18 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 5955-01-159-7651 has DEMIL Code Q. 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.