NSN 5955-00-405-1331, 5955004051331
Cancelled -> Replaced by 5955008510545

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 004051331
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.

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DLMS^® Summary

National Stock Number 5955-00-405-1331

National Stock Number (NSN) 5955-00-405-1331, or NIIN 004051331, (crystal unit,quartz) was assigned April 7, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5955008510545.

There are no manufacturer part numbers associated to this NSN.

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 5955004051331 contains an unknown precious metal.

This NSN is associated to Schedule B 8541900000: diode, transistor & similar semiconductor device parts. The Schedule B End Use is listed as semiconductors. NAICS classification category 334413: semiconductor and related device manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

BODY LENGTH: (ADAQ) 0.775 INCHES MAXIMUM
BODY WIDTH: (ADAT) 0.725 INCHES MAXIMUM
BODY THICKNESS: (ADPR) 0.317 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM
CIRCUIT RESONANCE: (AEHD) ANTIRESONANCE
CONTROLLED REFERENCE TEMP: (AEHM) 75.0 CELSIUS
DRIVE LEVEL RATING: (CQYL) 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 24.0 NOMINAL
FREQUENCY STABILITY IN PERCENT: (AEHL) -0.0005 TO 0.0005
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002 TO 0.002 AND -0.005 TO 0.005
LOAD CAPACITANCE IN PICOFARADS: (AEHE) 31.5 MINIMUM AND 32.5 MAXIMUM
MATERIAL: (MATT) UNABLE TO DECODE
MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
OPERABLE TEMP RANGE: (AEHN) -55.0 TO 90.0 CELSIUS
OPERATING TEMP RANGE: (AFGA) +70.0 TO 80.0 CELSIUS AND -55.0 TO 90.0 CELSIUS
OVERALL LENGTH: (ABHP) 1.023 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.352 INCHES MAXIMUM
OVERALL WIDTH: (ABMK) 0.757 INCHES MAXIMUM
SHUNT CAPACITANCE IN PICOFARADS: (AEHF) 7.0 MAXIMUM
SPECIFIED FREQUENCY: (AEHG) 7.161111 MEGAHERTZ
STYLE DESIGNATOR: (STYL) TUBE BODY, WIRE LEADS
TERMINAL LENGTH: (ABJT) 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
TERMINAL DIAMETER: (AEBT) 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM
TEST DATA DOCUMENT: (TEST) 81349-MILC3098/18 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 TERMINALS: (CQBK) 0.478 NOMINAL MILS AND 0.494 NOMINAL CENTIMETERS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002/+0.002 AND -0.005 TO 0.005
CONTROLLED REFERENCE TEMP: (AEHM) 75.0 DEG CELSIUS
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE OR UNABLE TO DECODE
UNABLE TO DECODE: (CQBK) UNABLE TO DECODE AND UNABLE TO DECODE
OPERABLE TEMP RANGE: (AEHN) -55.0 TO 90.0 DEG CELSIUS
III MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
OPERABLE TEMP RANGE: (AEHN) -55.0/+90.0 DEG CELSIUS
OPERATING TEMP RANGE: (AFGA) +70.0/+80.0 DEG CELSIUS AND -55.0 TO 90.0 DEG CELSIUS
MATERIAL: (MATT) GLASS COVER, HOLDER
FREQUENCY STABILITY IN PERCENT: (AEHL) -0.0005/+0.0005
HOLDER COVER MATERIAL: (AEHS) METAL OR GLASS
OPERATING TEMP RANGE: (AFGA) +70.0 TO 80.0 DEG CELSIUS AND -55.0 TO 90.0 DEG CELSIUS