PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR-65/U44.851850MHZCrystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-00-709-4392 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-709-4392 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-709-4392. Primary manufacturer part number: CR-65/U44.851850MHZ.
Features
  • Crystal Unit,quartz — FSC 5955
  • Shunt Capacitance in Picofarads: 7.0 MAXIMUM
  • Specified Frequency: 44.85185 MEGAHERTZ
  • Mode of Oscillation: THIRD OVERTONE
  • Drive Level Rating: 0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
  • Controlled Reference Temp: 75.0 CELSIUS DEGC
  • Frequency Tolerance at Reference Temp in Percent: -0.007 TO 0.007
  • Test Data Document: 81349-MILC3098 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.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-709-4392, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-709-4392
Primary Part NumberCR-65/U44.851850MHZ
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
StatusACTIVE
Shunt Capacitance in Picofarads7.0 MAXIMUM
Specified Frequency44.85185 MEGAHERTZ
Mode of OscillationTHIRD OVERTONE
Drive Level Rating0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
Controlled Reference Temp75.0 CELSIUS DEGC
Frequency Tolerance at Reference Temp in Percent-0.007 TO 0.007
Test Data Document81349-MILC3098 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.).
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Frequency Tolerance for Operating Temp in Percent-0.001 TO 0.001
Style DesignatorOVAL BODY, PIN TERMINALS
Circuit ResonanceSERIES RESONANCE
Operating Temp Range+70.0 TO 80.0 CELSIUS DEGC
Operable Temp Range-55.0 TO 90.0 CELSIUS DEGC
Body Width0.725 INCHES MAXIMUM IN
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Body Length0.775 INCHES MAXIMUM IN
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Overall Thickness0.352 INCHES MAXIMUM IN
Equivalent Resistance Value in Ohms40.0 NOMINAL
Frequency Stability in Percent-0.00025 TO 0.00025
Body Thickness0.317 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5955-01-311-583894099 INTERCHANGEABLE
Crystal Unit,quartz
L3 Technologies, Inc. Div L3harris Edo Western Corporation
5120-01-398-920200904099000 INTERCHANGEABLE
Mirror,inspection
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
6515-01-603-8651820620-BC INTERCHANGEABLE
Pack System Base
Granite Gear Llc
Cross-Reference Index
Part NumberManufacturer
CR-65/U44.851850MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR65/U44M85185 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC3098-43 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-3098/43 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
94099 Edo Canada Ltd (CAN)
Related Parts
5955-01-311-5838INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
94099
5120-01-398-9202INTERCHANGEABLE
MIRROR,INSPECTION
00904099000
6515-01-603-8651INTERCHANGEABLE
PACK SYSTEM BASE
820620-BC

Frequently Asked Questions

What is NSN 5955-00-709-4392?

NSN 5955-00-709-4392 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: active.

What are the part numbers for NSN 5955-00-709-4392?

NSN 5955-00-709-4392 has 5 cross-referenced part numbers: CR-65/U44.851850MHZ (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR65/U44M85185 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC3098-43 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-3098/43 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 94099 (Edo Canada Ltd).

What NSN replaces 5955-00-709-4392?

There are 3 known substitutes for 5955-00-709-4392: 5955-01-311-5838, 5120-01-398-9202, 6515-01-603-8651. Verify interchangeability with system specifications before substitution.

What are the specifications of CR-65/U44.851850MHZ?

Key specifications for CR-65/U44.851850MHZ: Shunt Capacitance in Picofarads: 7.0 MAXIMUM; Specified Frequency: 44.85185 MEGAHERTZ; Mode of Oscillation: THIRD OVERTONE; Drive Level Rating: 0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM. 23 total characteristics are documented in the Federal Logistics Information System.

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