661630 — CRYSTAL UNIT,QUARTZ

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

661630: CRYSTAL UNIT,QUARTZ.

The CRYSTAL UNIT,QUARTZ is a the manufacturer industrial component. Key specifications include diameter: 0.306 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN, material: GLASS COVER HOLDER, overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, style_designator: HAT TYPE, 3 WIRE LEADS. This part is cataloged in the U.S.

Government catalog under NSN 5955-00-483-4442, 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

661630

NSN: 5955-00-483-4442
NIINs: 004834442, 013454017
FSC: 5955 — Oscillators and Piezoelectric Crystals
CAGE: 00136 — MICROSEMI CORP. - HIGH PERFORMANCE TIMING DBA VECTRON INTERNATIONAL- CANCELLED (USA)

SPECIFICATIONS

diameter	0.306 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN
material	GLASS COVER HOLDER
overall_length	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
terminal_length	1.500 INCHES MINIMUM IN
overall_diameter	0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
style_designator	HAT TYPE, 3 WIRE LEADS
circuit_resonance	SERIES RESONANCE
terminal_diameter	0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
drive_level_rating	2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM
mode_of_oscillation	FIFTH OVERTONE AND THIRD OVERTONE
operable_temp_range	-40.0 TO 70.0 CELSIUS DEGC
specified_frequency	74.0625 MEGAHERTZ
NSN	5955-00-483-4442

COMPONENT DIAGRAM

KEY FEATURES

•

CONTROLLED REFERENCE TEMP: 75.0 CELSIUS DEGC

•

OPERABLE TEMP RANGE: -40.0 TO 70.0 CELSIUS DEGC

•

FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: -0.0025 TO 0.0025 AND -0.0050 TO 0.0050

•

TERMINAL DIAMETER: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN

•

OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN

•

TERMINAL LENGTH: 1.500 INCHES MINIMUM IN

•

MODE OF OSCILLATION: FIFTH OVERTONE AND THIRD OVERTONE

•

EQUIVALENT RESISTANCE VALUE IN OHMS: 50.0 NOMINAL

TECHNICAL CHARACTERISTICS

CONTROLLED REFERENCE TEMP	75.0 CELSIUS DEGC
OPERABLE TEMP RANGE	-40.0 TO 70.0 CELSIUS DEGC
FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT	-0.0025 TO 0.0025 AND -0.0050 TO 0.0050
TERMINAL DIAMETER	0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
OVERALL DIAMETER	0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL LENGTH	1.500 INCHES MINIMUM IN
MODE OF OSCILLATION	FIFTH OVERTONE AND THIRD OVERTONE
EQUIVALENT RESISTANCE VALUE IN OHMS	50.0 NOMINAL
FREQUENCY STABILITY IN PERCENT	-0.0005 TO 0.0005
STYLE DESIGNATOR	HAT TYPE, 3 WIRE LEADS

SUBSTITUTES & CROSS-REFERENCES 1

538002-30Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 661630?

661630 is a CRYSTAL UNIT,QUARTZ.

What parts can replace 661630?

There is 1 known substitute for 661630: 538002-30. Substitute compatibility should be verified for your specific system.

What is the NSN for 661630?

661630 is cataloged in the U.S. Government catalog under NSN 5955-00-483-4442. This indicates validated use in U.S. government and defense supply chains.

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661630 — CRYSTAL UNIT,QUARTZ

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