NSN 5955-01-010-0591, 5955010100591
CRYSTAL UNIT,QUARTZ

Federal Supply Classification: FSC 5955 - Oscillators and Piezoelectric Crystals
National Item Identification Number: NIIN 010100591
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 5955-01-010-0591

National Stock Number (NSN) 5955-01-010-0591, or NIIN 010100591, (crystal unit,quartz) was assigned September 22, 1975 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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.

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 5955010100591 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

TERMINAL DIAMETER: (AEBT) 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SHUNT CAPACITANCE IN PICOFARADS: (AEHF) 7.0 MAXIMUM
EQUIVALENT RESISTANCE VALUE IN OHMS: (CRMP) 500.0 MAXIMUM
DRIVE LEVEL RATING: (CQYL) 2.0 MILLIWATTS NOMINAL
OVERALL LENGTH: (ABHP) 1.907 INCHES MINIMUM AND 1.937 INCHES MAXIMUM
OVERALL THICKNESS: (ADUM) 0.460 INCHES MAXIMUM
III MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (AEHT) 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
OPERATING TEMP RANGE: (AFGA) -30.0 TO 60.0 DEG CELSIUS
CENTER TO CENTER DISTANCE BETWEEN TERMINALS: (CQBK) 0.490 NOMINAL MILS AND 0.510 NOMINAL CENTIMETERS
UNABLE TO DECODE: (CQBK) UNABLE TO DECODE AND UNABLE TO DECODE
OVERALL WIDTH: (ABMK) 1.170 INCHES MAXIMUM
CIRCUIT RESONANCE: (AEHD) ANTIRESONANCE
LOAD CAPACITANCE IN PICOFARADS: (AEHE) 31.5 MINIMUM AND 32.5 MAXIMUM
SPECIFIED FREQUENCY: (AEHG) 1.024 MEGAHERTZ
OPERATING TEMP RANGE: (AFGA) -30.0/+60.0 DEG CELSIUS
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.00075 TO 0.00075
BODY WIDTH: (ADAT) 1.125 INCHES MAXIMUM
TERMINAL LENGTH: (ABJT) 0.625 INCHES MINIMUM AND 0.655 INCHES MAXIMUM
HOLDER COVER MATERIAL: (AEHS) METAL
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: (CRFX) -0.00075/+0.00075
BODY LENGTH: (ADAQ) 1.282 INCHES MAXIMUM
BODY THICKNESS: (ADPR) 0.411 INCHES MAXIMUM
MODE OF OSCILLATION: (AEHC) FUNDAMENTAL
UNABLE TO DECODE: (AEHS) UNABLE TO DECODE
STYLE DESIGNATOR: (STYL) OVAL BODY, PIN TERMINALS