NSN 5955-01-094-7456, 5955010947456
Cancelled -> Replaced by 5955011768748

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 010947456
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 5955-01-094-7456

National Stock Number (NSN) 5955-01-094-7456, or NIIN 010947456, (crystal unit,quartz) was assigned May 15, 1980 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5955011431077, 5955011768748.

There are 6 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 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.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 21, 2014, 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 5955010947456 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 Aug 01, 2025.

Technical Characteristics

CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.184 NOMINAL MILS AND 0.200 NOMINAL CENTIMETERS
OPERATING TEMP RANGE: (AFGA) -40.0 TO 90.0 DEG CELSIUS AND -55.0 TO 105.0 DEG CELSIUS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002/+0.002 AND -0.003/+0.003
OPERATING TEMP RANGE: (AFGA) -40.0/+90.0 DEG CELSIUS AND -55.0/+105.0 DEG CELSIUS
BODY LENGTH: (ADAQ) 0.530 INCHES MAXIMUM
BODY WIDTH: (ADAT) 0.402 INCHES MAXIMUM
BODY THICKNESS: (ADPR) 0.150 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
CIRCUIT RESONANCE: (AEHD) SERIES RESONANCE
DRIVE LEVEL RATING: (CQYL) 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 40.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.002 TO 0.002 AND -0.003 TO 0.003
MODE OF OSCILLATION: (AEHC) THIRD OVERTONE AND FIFTH OVERTONE
OPERATING TEMP RANGE: (AFGA) -40.0 TO 90.0 CELSIUS AND -55.0 TO 105.0 CELSIUS
OVERALL LENGTH: (ABHP) 0.753 INCHES MINIMUM AND 0.778 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.183 INCHES MAXIMUM
OVERALL WIDTH: (ABMK) 0.435 INCHES MAXIMUM
SHUNT CAPACITANCE IN PICOFARADS: (AEHF) 7.0 MAXIMUM
SPECIFICATION/STANDARD DATA: (ZZZK) 81349-MIL-C-3098/55 GOVERNMENT SPECIFICATION
SPECIFIED FREQUENCY: (AEHG) 49.53333 MEGAHERTZ
STYLE DESIGNATOR: (STYL) 7 PIN TUBE BASE
SUPPLEMENTARY FEATURES: (SUPP) PIN UNDERCUT MAY BE OMITTED
TERMINAL LENGTH: (ABJT) 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM
TERMINAL DIAMETER: (AEBT) 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
TEST DATA DOCUMENT: (TEST) 81349-MIL-C-3098/4 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.).
III MODE OF OSCILLATION: (AEHC) THIRD OVERTONE AND FIFTH OVERTONE
UNABLE TO DECODE: (CQBK) UNABLE TO DECODE AND UNABLE TO DECODE
III SUPPLEMENTARY FEATURES: (SUPP) PIN UNDERCUT MAY BE OMITTED
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HOLDER COVER MATERIAL: (AEHS) METAL