The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-129-8364, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-00-129-8364 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.030 TO 0.030 |
| Terminal Diameter | 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Terminal Length | 0.422 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.715 INCHES MINIMUM AND 0.722 INCHES MAXIMUM IN |
| Overall Thickness | 0.340 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Style Designator | ROUND BODY, PIN TERMINALS |
| Body Length | 0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Test Data Document | 81349-MILC12813 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 | GLASS COVER HOLDER |
| Specified Frequency | 768.750 KILOHERTZ |
| Body Thickness | 0.310 INCHES MINIMUM AND 0.317 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 |
| Reference | Meaning |
|---|---|
| MILC12813TYPECR4U | 4/1 Identification reference U.S. Government activity |
NSN 5955-00-129-8364 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5955-00-129-8368. Verify interchangeability with system specifications before substitution.
Key specifications for 5955-00-129-8364: Frequency Tolerance for Operating Temp in Percent: -0.030 TO 0.030; Terminal Diameter: 0.091 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Terminal Length: 0.422 INCHES MINIMUM AND 0.447 INCHES MAXIMUM 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.