NSN 5955-01-231-8276, 5955012318276
CRYSTAL UNIT,QUARTZ

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 012318276
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 5955-01-231-8276

National Stock Number (NSN) 5955-01-231-8276, or NIIN 012318276, (crystal unit,quartz) was assigned May 4, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is 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, with the most recent procurement date of Sep 17, 2015. There have been 2 contracts issued for this part number, with 2 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M115M8707, SPE7M115M8707, SPE7MC14M3543. The total value of the awarded contracts has been US$ 7,593.32.

This NSN is fairly common among different weapons systems, belonging to 22 different platforms.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

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 5955012318276 does not contain precious metals.

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 Jul 01, 2025.

Technical Characteristics

OPERATING TEMP RANGE: (AFGA) -40.0 TO 90.0 DEG CELSIUS AND -55.0 TO 105.0 DEG CELSIUS
OPERATING TEMP RANGE: (AFGA) -40.0/+90.0 DEG CELSIUS AND -55.0/+105.0 DEG CELSIUS
HOLDER COVER MATERIAL: (AEHS) METAL OR GLASS
III MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002/+0.002 AND -0.003/+0.003
DRIVE LEVEL RATING: (CQYL) 5.0 MILLIWATTS NOMINAL AND 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM
BODY THICKNESS: (ADPR) 0.150 INCHES MAXIMUM
BODY WIDTH: (ADAT) 0.402 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.192 INCHES NOMINAL
CIRCUIT RESONANCE: (AEHD) ANTIRESONANCE
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 25.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002 TO 0.002 AND -0.003 TO 0.003
LOAD CAPACITANCE IN PICOFARADS: (AEHE) 30.0 NOMINAL AND 29.0 MINIMUM AND 31.0 MAXIMUM
OVERALL LENGTH: (ABHP) 0.530 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.183 INCHES MAXIMUM
OVERALL WIDTH: (ABMK) 0.435 INCHES MAXIMUM
MATERIAL: (MATT) GLASS COVER, HOLDER
MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
OPERATING TEMP RANGE: (AFGA) -40.0 TO 90.0 CELSIUS AND -55.0 TO 105.0 CELSIUS
SHUNT CAPACITANCE IN PICOFARADS: (AEHF) 7.0 MAXIMUM
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-C-3098/47 GOVERNMENT SPECIFICATION
SPECIFIED FREQUENCY: (AEHG) 12.000 MEGAHERTZ
STYLE DESIGNATOR: (STYL) OVAL BODY, PIN TERMINALS
TERMINAL DIAMETER: (AEBT) 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
TERMINAL LENGTH: (ABJT) 0.5003 INCHES MINIMUM
TEST DATA DOCUMENT: (TEST) 81349-MIL-C-3098/62 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) 0.192 NOMINAL INCHES
UNABLE TO DECODE: (CQBK) UNABLE TO DECODE
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE OR UNABLE TO DECODE