C189-34-4 — CRYSTAL UNIT,QUARTZ

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C189-34-4: CRYSTAL UNIT,QUARTZ.

The CRYSTAL UNIT,QUARTZ is a the manufacturer industrial component. Key specifications include overall_width: 0.445 INCHES MAXIMUM IN, overall_length: 0.535 INCHES MAXIMUM IN, terminal_length: 0.223 INCHES NOMINAL IN, special_features: TOP LEAD BENT AT 90 DEGREE ANGLE; BOTTOM LEAD BENT AT 90 DEGREE ANGLE TWO PLACES, style_designator: OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE, circuit_resonance: SERIES RESONANCE. This part is cataloged in the U.S.

Government catalog under NSN 5955-01-369-9022, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

C189-34-4

NSN: 5955-01-369-9022
FSC: 5955 — Oscillators and Piezoelectric Crystals
CAGE: 00809 — WENZEL INTERNATIONAL INC DIV CROVEN CRYSTALS (CAN)

SPECIFICATIONS

overall_width	0.445 INCHES MAXIMUM IN
overall_length	0.535 INCHES MAXIMUM IN
terminal_length	0.223 INCHES NOMINAL IN
special_features	TOP LEAD BENT AT 90 DEGREE ANGLE; BOTTOM LEAD BENT AT 90 DEGREE ANGLE TWO PLACES
style_designator	OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE
circuit_resonance	SERIES RESONANCE
overall_thickness	0.190 INCHES MAXIMUM IN
terminal_diameter	0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
drive_level_rating	1.5 MILLIWATTS NOMINAL
mode_of_oscillation	FIFTH OVERTONE
specified_frequency	111.000 HERTZ
operating_temp_range	+0.0 TO 77.0 CELSIUS DEGC
NSN	5955-01-369-9022

COMPONENT DIAGRAM

KEY FEATURES

•

FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: -0.001 TO 0.001

•

TERMINAL DIAMETER: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN

•

TERMINAL LENGTH: 0.223 INCHES NOMINAL IN

•

MODE OF OSCILLATION: FIFTH OVERTONE

•

EQUIVALENT RESISTANCE VALUE IN OHMS: 20.0 MINIMUM AND 45.0 MAXIMUM

•

OVERALL THICKNESS: 0.190 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE

TECHNICAL CHARACTERISTICS

FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT	-0.001 TO 0.001
TERMINAL DIAMETER	0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
TERMINAL LENGTH	0.223 INCHES NOMINAL IN
MODE OF OSCILLATION	FIFTH OVERTONE
EQUIVALENT RESISTANCE VALUE IN OHMS	20.0 MINIMUM AND 45.0 MAXIMUM
OVERALL THICKNESS	0.190 INCHES MAXIMUM IN
STYLE DESIGNATOR	OVAL BODY, WIRE LEADS W/HOLD DOWN WIRE
OVERALL LENGTH	0.535 INCHES MAXIMUM IN
OVERALL WIDTH	0.445 INCHES MAXIMUM IN
DRIVE LEVEL RATING	1.5 MILLIWATTS NOMINAL

OTHER ITEMS IN FSC 5955 — Oscillators and Piezoelectric Crystals

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5955-00-001-1622 5955-00-001-2933 5955-00-001-2977 5955-00-001-3014 5955-00-001-3242 5955-00-001-3243 5955-00-001-3244 5955-00-001-3328

SUBSTITUTES & CROSS-REFERENCES 1

G504351-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is C189-34-4?

C189-34-4 is a CRYSTAL UNIT,QUARTZ.

What parts can replace C189-34-4?

There is 1 known substitute for C189-34-4: G504351-4. Substitute compatibility should be verified for your specific system.

What is the NSN for C189-34-4?

C189-34-4 is cataloged in the U.S. Government catalog under NSN 5955-01-369-9022. This indicates validated use in U.S. government and defense supply chains.

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C189-34-4 — CRYSTAL UNIT,QUARTZ

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