PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR-65/U42.703700MHZCrystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-00-865-9794 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-865-9794 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-865-9794. Primary manufacturer part number: CR-65/U42.703700MHZ.
Features
  • Crystal Unit,quartz — FSC 5955
  • Body Length: 0.775 INCHES MAXIMUM IN
  • Frequency Tolerance at Reference Temp in Percent: -0.007 TO 0.007
  • Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Operable Temp Range: -55.0 TO 90.0 CELSIUS DEGC
  • Circuit Resonance: SERIES RESONANCE
  • Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001
  • Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-865-9794, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5955-00-865-9794
Primary Part NumberCR-65/U42.703700MHZ
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
Body Length0.775 INCHES MAXIMUM IN
Frequency Tolerance at Reference Temp in Percent-0.007 TO 0.007
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Operable Temp Range-55.0 TO 90.0 CELSIUS DEGC
Circuit ResonanceSERIES RESONANCE
Frequency Tolerance for Operating Temp in Percent-0.001 TO 0.001
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Style DesignatorOVAL BODY, PIN TERMINALS
Equivalent Resistance Value in Ohms40.0 NOMINAL
Drive Level Rating0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
Shunt Capacitance in Picofarads7.0 MAXIMUM
Body Width0.725 INCHES MAXIMUM IN
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.).
Specified Frequency42.7037 MEGAHERTZ
Overall Thickness0.352 INCHES MAXIMUM IN
Mode of OscillationTHIRD OVERTONE
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Operating Temp Range+70.0 TO 80.0 CELSIUS DEGC
Frequency Stability in Percent-0.00025 TO 0.00025
Controlled Reference Temp75.0 CELSIUS DEGC
Body Thickness0.317 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5306-00-550-2686309845 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2530-01-056-95848144-45 INTERCHANGEABLE
Strut,parking Brake Lever
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
CR-65/U42.703700MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR65/U42M70370 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
MILC3098-43 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
309845 Kemmerly's Air Plus (USA)
Related Parts
5306-00-550-2686INTERCHANGEABLE
BOLT,MACHINE
309845
2530-01-056-9584INTERCHANGEABLE
STRUT,PARKING BRAKE LEVER
8144-45

Frequently Asked Questions

What is NSN 5955-00-865-9794?

NSN 5955-00-865-9794 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 5955-00-865-9794?

NSN 5955-00-865-9794 has 5 cross-referenced part numbers: CR-65/U42.703700MHZ (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR65/U42M70370 (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), MILC3098-43 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 309845 (Kemmerly's Air Plus).

What NSN replaces 5955-00-865-9794?

There are 2 known substitutes for 5955-00-865-9794: 5306-00-550-2686, 2530-01-056-9584. Verify interchangeability with system specifications before substitution.

What are the specifications of CR-65/U42.703700MHZ?

Key specifications for CR-65/U42.703700MHZ: Body Length: 0.775 INCHES MAXIMUM IN; Frequency Tolerance at Reference Temp in Percent: -0.007 TO 0.007; Overall Width: 0.757 INCHES MAXIMUM IN; Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5955-00-865-9794 still in active supply?

NSN 5955-00-865-9794 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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