PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR64/U-HC18/UCrystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-01-111-1105 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-01-111-1105 — this item is cataloged by the U.S. Government under National Stock Number 5955-01-111-1105. Primary manufacturer part number: CR64/U-HC18/U.
Features
  • Crystal Unit,quartz — FSC 5955
  • Shunt Capacitance in Picofarads: 7.0 MAXIMUM
  • Mode of Oscillation: FUNDAMENTAL
  • Operating Temp Range: -55.0 TO 105.0 CELSIUS DEGC
  • Equivalent Resistance Value in Ohms: 20.0 MAXIMUM
  • Style Designator: OVAL BODY, WIRE LEADS
  • Center to Center Distance Between Terminals: 0.192 INCHES NOMINAL IN
  • Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-111-1105, is classified within Federal Supply Class 5955 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5955-01-111-1105
Primary Part NumberCR64/U-HC18/U
Item NameCrystal Unit,quartz
FSC / FSG5955 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Shunt Capacitance in Picofarads7.0 MAXIMUM
Mode of OscillationFUNDAMENTAL
Operating Temp Range-55.0 TO 105.0 CELSIUS DEGC
Equivalent Resistance Value in Ohms20.0 MAXIMUM
Style DesignatorOVAL BODY, WIRE LEADS
Center to Center Distance Between Terminals0.192 INCHES NOMINAL IN
Frequency Tolerance for Operating Temp in Percent-0.005 TO 0.005
Test Data Document81349-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.).
Drive Level Rating4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
Terminal Diameter0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
Body Width0.402 INCHES MAXIMUM IN
Terminal Length1.500 INCHES MINIMUM IN
Circuit ResonanceSERIES RESONANCE
Body Thickness0.150 INCHES MAXIMUM IN
Overall Thickness0.183 INCHES MAXIMUM IN
Specified Frequency18.432 MEGAHERTZ
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5962-01-288-0222 INTERCHANGEABLE
Microcircuit,digital
Cross-Reference Index
Part NumberManufacturer
CR64/U-HC18/U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-3098/38 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JM38510-05203BCX Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR60A/U18M43200 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR-60A/U18.432000MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR64/U18.432MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
985615-0002 Titan Corp the (USA)
CR60/U18M43200 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-3098/38 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5962-01-288-0222INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 5955-01-111-1105?

NSN 5955-01-111-1105 is a Crystal Unit,quartz, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5955 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5955-01-111-1105?

NSN 5955-01-111-1105 has 9 cross-referenced part numbers: CR64/U-HC18/U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-3098/38 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JM38510-05203BCX (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR60A/U18M43200 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR-60A/U18.432000MHZ (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5955-01-111-1105?

There is 1 known substitute for 5955-01-111-1105: 5962-01-288-0222. Verify interchangeability with system specifications before substitution.

What are the specifications of CR64/U-HC18/U?

Key specifications for CR64/U-HC18/U: Overall Width: 0.435 INCHES MAXIMUM IN; Shunt Capacitance in Picofarads: 7.0 MAXIMUM; Overall Length: 0.530 INCHES MAXIMUM IN; Mode of Oscillation: FUNDAMENTAL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5955-01-111-1105 still in active supply?

NSN 5955-01-111-1105 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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