NSN 5955-00-581-6273, 5955005816273
CRYSTAL UNIT,QUARTZ

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 005816273
Codification Country: United States
Item Name Code: INC 00196
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5955-00-581-6273

National Stock Number (NSN) 5955-00-581-6273, or NIIN 005816273, (crystal unit,quartz) was assigned December 19, 1974 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 00196. [AN ITEM WHICH CONSISTS OF A QUARTZ CRYSTAL RESONATOR(S), SUITABLY MOUNTED IN A HOLDER, QUARTZ CRYSTAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5955005816273 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

TERMINAL LENGTH: (ABJT) 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
TERMINAL DIAMETER: (AEBT) 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
BODY THICKNESS: (ADPR) 0.150 INCHES MAXIMUM
MODE OF OSCILLATION: (AEHC) THIRD OVERTONE AND FIFTH OVERTONE
SHUNT CAPACITANCE IN PICOFARADS: (AEHF) 7.0 MAXIMUM
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE OR UNABLE TO DECODE
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
BODY WIDTH: (ADAT) 0.402 INCHES MAXIMUM
III MODE OF OSCILLATION: (AEHC) THIRD OVERTONE AND FIFTH OVERTONE
SPECIFIED FREQUENCY: (AEHG) 22.525 MEGAHERTZ
OPERATING TEMP RANGE: (AFGA) -55.0/+105.0 DEG CELSIUS AND -55.0/+125.0 DEG CELSIUS
OVERALL LENGTH: (ABHP) 0.778 INCHES MAXIMUM
CIRCUIT RESONANCE: (AEHD) SERIES RESONANCE
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.184 NOMINAL MILS AND 0.200 NOMINAL CENTIMETERS
UNABLE TO DECODE: (CQBK) UNABLE TO DECODE AND UNABLE TO DECODE
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 40.0 MAXIMUM
STYLE DESIGNATOR: (STYL) TUBE BODY, WIRE LEADS
TEST DATA DOCUMENT: (TEST) 81349-MILC3098-43 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.).
HOLDER COVER MATERIAL: (AEHS) METAL OR GLASS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002 TO 0.002 AND -0.003 TO 0.003
BODY LENGTH: (ADAQ) 0.530 INCHES MAXIMUM
OPERATING TEMP RANGE: (AFGA) -55.0 TO 105.0 DEG CELSIUS AND -55.0 TO 125.0 DEG CELSIUS
OVERALL WIDTH: (ABMK) 0.435 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.183 INCHES MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002/+0.002 AND -0.003/+0.003
MATERIAL: (MATT) GLASS COVER, HOLDER
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
DRIVE LEVEL RATING: (CQYL) 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM