99-254-2 — CRYSTAL UNIT,QUARTZ

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

99-254-2: CRYSTAL UNIT,QUARTZ.

The CRYSTAL UNIT,QUARTZ is a the manufacturer industrial component. Key specifications include diameter: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, overall_length: 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, terminal_length: 0.750 INCHES MAXIMUM IN, overall_diameter: 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, style_designator: HAT TYPE, 3 WIRE LEADS, circuit_resonance: SERIES RESONANCE. This part is cataloged in the U.S.

Government catalog under NSN 5955-01-044-8780, 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

99-254-2

NSN: 5955-01-044-8780
FSC: 5955 — Oscillators and Piezoelectric Crystals
CAGE: 00136 — MICROSEMI CORP. - HIGH PERFORMANCE TIMING DBA VECTRON INTERNATIONAL- CANCELLED (USA)

SPECIFICATIONS

diameter	0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
overall_length	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
terminal_length	0.750 INCHES MAXIMUM IN
overall_diameter	0.340 INCHES MINIMUM AND 0.380 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	0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM
mode_of_oscillation	THIRD OVERTONE
specified_frequency	60.000 MEGAHERTZ
operating_temp_range	+60.0 TO 70.0 CELSIUS DEGC
shunt_capacitance_in_picofarads	3.0 MINIMUM AND 7.0 MAXIMUM
NSN	5955-01-044-8780

COMPONENT DIAGRAM

KEY FEATURES

•

FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT: -0.0005 TO 0.0005

•

TERMINAL DIAMETER: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN

•

OVERALL DIAMETER: 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN

•

TERMINAL LENGTH: 0.750 INCHES MAXIMUM IN

•

MODE OF OSCILLATION: THIRD OVERTONE

•

EQUIVALENT RESISTANCE VALUE IN OHMS: 40.0 MAXIMUM

•

STYLE DESIGNATOR: HAT TYPE, 3 WIRE LEADS

•

DIAMETER: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FREQUENCY TOLERANCE FOR OPERATING TEMP IN PERCENT	-0.0005 TO 0.0005
TERMINAL DIAMETER	0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN
OVERALL DIAMETER	0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
TERMINAL LENGTH	0.750 INCHES MAXIMUM IN
MODE OF OSCILLATION	THIRD OVERTONE
EQUIVALENT RESISTANCE VALUE IN OHMS	40.0 MAXIMUM
STYLE DESIGNATOR	HAT TYPE, 3 WIRE LEADS
DIAMETER	0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
OVERALL LENGTH	0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
DRIVE LEVEL RATING	0.8 MILLIWATTS MINIMUM AND 1.2 MILLIWATTS MAXIMUM

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

K310-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 99-254-2?

99-254-2 is a CRYSTAL UNIT,QUARTZ.

What parts can replace 99-254-2?

There is 1 known substitute for 99-254-2: K310-4. Substitute compatibility should be verified for your specific system.

What is the NSN for 99-254-2?

99-254-2 is cataloged in the U.S. Government catalog under NSN 5955-01-044-8780. This indicates validated use in U.S. government and defense supply chains.

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99-254-2 — CRYSTAL UNIT,QUARTZ

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