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NSN 5955-01-278-0026, 5955012780026
CRYSTAL UNIT,QUARTZ

Federal Supply Classification
FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number
NIIN 012780026
Codification Country
United States
Item Name Code
INC 00196
Criticality
(N) This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 5955-01-278-0026

National Stock Number (NSN) 5955-01-278-0026, or NIIN 012780026, (crystal unit,quartz) was assigned April 29, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 02, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5955012780026 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 .


Technical Characteristics

HOLDER COVER MATERIAL
(AEHS) GLASS OR METAL
UNABLE TO DECODE
(CQBK) UNABLE TO DECODE
OPERATING TEMP RANGE
(AFGA) -55.0/+105.0 DEG CELSIUS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT
(CRFX) -0.025/+3.025
III MODE OF OSCILLATION
(AEHC) FUNDAMENTAL
UNABLE TO DECODE
(AEHS) UNABLE TO DECODE OR UNABLE TO DECODE
DRIVE LEVEL RATING
(CQYL) 5.0 MILLIWATTS MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS
(AEHT) 0.375 INCHES NOMINAL
CIRCUIT RESONANCE
(AEHD) SERIES RESONANCE
DIAMETER
(ABMZ) 0.715 INCHES MAXIMUM
EQUIVALENT RESISTANCE VALUE IN OHMS
(CRMP) 100.0 MAXIMUM
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT
(CRFX) -0.025 TO 3.025
OPERATING TEMP RANGE
(AFGA) -55.0 TO 105.0 DEG CELSIUS
OVERALL DIAMETER
(ADAV) 0.820 INCHES MINIMUM AND 0.840 INCHES MAXIMUM
OVERALL LENGTH
(ABHP) 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
MATERIAL
(MATT) GLASS COVER, HOLDER
MODE OF OSCILLATION
(AEHC) FUNDAMENTAL
SHUNT CAPACITANCE IN PICOFARADS
(AEHF) 7.0 MAXIMUM
SPECIAL FEATURES
(FEAT) KY 90,5895011663931
SPECIFIED FREQUENCY
(AEHG) 2.048 MEGAHERTZ
STYLE DESIGNATOR
(STYL) HAT TYPE, 4 WIRE LEADS
TERMINAL DIAMETER
(AEBT) 0.020 INCHES MAXIMUM
TERMINAL LENGTH
(ABJT) 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS
(CQBK) 0.375 NOMINAL INCHES

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