The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-128-9331, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-128-9331 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.020 TO 0.020 |
| Terminal Diameter | 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Terminal Length | 0.468 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 50.0 NOMINAL |
| Overall Thickness | 0.407 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR BODY, PIN TERMINALS |
| Body Length | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Load Capacitance in Picofarads | 13.0 NOMINAL |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Test Data Document | 81349-MILC10405 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.). |
| Material | PLASTIC COVER HOLDER |
| Specified Frequency | 8.230 MEGAHERTZ |
| 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 |
| Reference | Meaning |
|---|---|
| MILC10405-5 | 4/1 Identification reference U.S. Government activity |
| CR6U8230-00KC | 2/2 Government specification standardization U.S. Government activity |
NSN 5955-00-128-9331 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-00-128-9331: Frequency Tolerance for Operating Temp in Percent: -0.020 TO 0.020; Terminal Diameter: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Terminal Length: 0.468 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.
NSN 5955-00-128-9331 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.