PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CR36U8500KCCrystal Unit,quartz

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5955-00-267-4205 · FSC 5955 · No Item Name Available
Verified by PartsTable
NSN 5955-00-267-4205 — this item is cataloged by the U.S. Government under National Stock Number 5955-00-267-4205. Primary manufacturer part number: CR36U8500KC.
Features
  • Crystal Unit,quartz — FSC 5955
  • Mode of Oscillation: FUNDAMENTAL
  • Controlled Reference Temp: 85.0 CELSIUS DEGC
  • Frequency Tolerance at Reference Temp in Percent: -0.0005 TO 0.0005
  • Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Operating Temp Range: +80.0 TO 90.0 CELSIUS DEGC
  • Overall Thickness: 0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
  • Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 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 5955-00-267-4205, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5955-00-267-4205
Primary Part NumberCR36U8500KC
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
Mode of OscillationFUNDAMENTAL
Controlled Reference Temp85.0 CELSIUS DEGC
Frequency Tolerance at Reference Temp in Percent-0.0005 TO 0.0005
Center to Center Distance Between Terminals0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Operating Temp Range+80.0 TO 90.0 CELSIUS DEGC
Overall Thickness0.338 INCHES MINIMUM AND 0.343 INCHES MAXIMUM IN
Terminal Diameter0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Frequency Tolerance for Operating Temp in Percent-0.002 TO 0.002
Terminal Length0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN
Style DesignatorOVAL BODY, PIN TERMINALS
Specified Frequency9.500 MEGAHERTZ
Body Length0.755 INCHES MINIMUM AND 0.775 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5955-00-267-4194 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4195 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4196 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4198 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4199 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4203 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4207290-0005-00 INTERCHANGEABLE
Crystal Unit,quartz
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5955-00-267-4208 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4246 INTERCHANGEABLE
Crystal Unit,quartz
5955-00-267-4252 INTERCHANGEABLE
Crystal Unit,quartz
Cross-Reference Index
Part NumberManufacturer
CR36U8500KC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILC3098TYPECR36U Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR-36/U9.500000MHZ Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CR36U Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
MIL-PRF-3098/16 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
290-0007-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5955-00-267-4194INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4195INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4196INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4198INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4199INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4203INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4207INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
290-0005-00
5955-00-267-4208INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4246INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-267-4252INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-295-7445INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5955-00-295-7448INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ

Frequently Asked Questions

What is NSN 5955-00-267-4205?

NSN 5955-00-267-4205 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 5955-00-267-4205?

NSN 5955-00-267-4205 has 6 cross-referenced part numbers: CR36U8500KC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILC3098TYPECR36U (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR-36/U9.500000MHZ (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CR36U (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), MIL-PRF-3098/16 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5955-00-267-4205?

There are 12 known substitutes for 5955-00-267-4205: 5955-00-267-4194, 5955-00-267-4195, 5955-00-267-4196 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CR36U8500KC?

Key specifications for CR36U8500KC: Mode of Oscillation: FUNDAMENTAL; Controlled Reference Temp: 85.0 CELSIUS DEGC; Frequency Tolerance at Reference Temp in Percent: -0.0005 TO 0.0005; Center to Center Distance Between Terminals: 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN. 14 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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