NSN 5955-00-138-3418, 5955001383418
Cancelled -> Replaced by 5955013911734

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 001383418
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 5955-00-138-3418

National Stock Number (NSN) 5955-00-138-3418, or NIIN 001383418, (crystal unit,quartz) was assigned July 30, 1971 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5955013911734, 5955009954423.

There are 10 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 7 suppliers are listed as Active suppliers 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 Feb 04, 2015. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7MC15M3227. The total value of the awarded contracts has been US$ 1,232.70.

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 5955001383418 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 Jul 01, 2025.

Technical Characteristics

III MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
OPERATING TEMP RANGE: (AFGA) -55.0/+105.0 DEG CELSIUS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.005/+0.005
OPERATING TEMP RANGE: (AFGA) -55.0 TO 105.0 DEG CELSIUS
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
DRIVE LEVEL RATING: (CQYL) 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) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
CIRCUIT RESONANCE: (AEHD) ANTIRESONANCE
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 30.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.005 TO 0.005
LOAD CAPACITANCE IN PICOFARADS: (AEHE) 29.5 MINIMUM AND 30.5 MAXIMUM
OVERALL LENGTH: (ABHP) 0.530 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.183 INCHES MAXIMUM
OVERALL WIDTH: (ABMK) 0.435 INCHES MAXIMUM
MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
OPERATING TEMP RANGE: (AFGA) -55.0 TO 105.0 CELSIUS
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-C-3098/42 GOVERNMENT SPECIFICATION
SPECIFIED FREQUENCY: (AEHG) 8.000 MEGAHERTZ
STYLE DESIGNATOR: (STYL) OVAL BODY, WIRE LEADS
TERMINAL DIAMETER: (AEBT) 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM
TERMINAL LENGTH: (ABJT) 0.500 INCHES MINIMUM
TEST DATA DOCUMENT: (TEST) 81349-MIL-C-3098 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
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM