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K1091A 4.0MHZ — OSCILLATOR,CRYSTAL CONTROLLED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

K1091A 4.0MHZ: OSCILLATOR,CRYSTAL CONTROLLED.

The OSCILLATOR,CRYSTAL CONTROLLED is a the manufacturer industrial component. Key specifications include body_width: 0.470 INCHES NOMINAL IN, body_height: 0.375 INCHES NOMINAL IN, body_length: 0.750 INCHES NOMINAL IN, overall_width: 0.515 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 0.405 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5962-01-047-4579, 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
K1091A 4.0MHZ
NSN: 5962-01-047-4579
NIINs: 010474579, 010759211
FSC: 5962 — Microcircuits, Electronic
CAGE: 01537 — DEPARTMENT OF STATE HEALTH SERVICES DBA USE CAGE CODE 01WR9 FOR CATALOGING (USA)
SPECIFICATIONS
body_width0.470 INCHES NOMINAL IN
body_height0.375 INCHES NOMINAL IN
body_length0.750 INCHES NOMINAL IN
overall_width0.515 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height0.405 INCHES NOMINAL IN
overall_length0.815 INCHES MAXIMUM IN
basic_shape_styleRECTANGULAR OR SQUARE
features_providedMONOLITHIC AND POSITIVE OUTPUTS
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialPLASTIC
storage_temp_range-55.0 TO 125.0 CELSIUS DEGC
NSN5962-01-047-4579
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OSCILLATOR,CRYSTAL CONTROLLED TITLE COMPONENT PN K1091A 4.0MHZ MFR OSCILLATOR,CRYSTAL CON
KEY FEATURES
•
INPUT CIRCUIT PATTERN: 1 INPUT
•
INCLOSURE MATERIAL: PLASTIC
•
TERMINAL SURFACE TREATMENT: SOLDER
•
DESIGN FUNCTION AND QUANTITY: 1 OSCILLATOR, CLOCK
•
BODY WIDTH: 0.470 INCHES NOMINAL IN
•
BODY HEIGHT: 0.375 INCHES NOMINAL IN
•
FEATURES PROVIDED: MONOLITHIC AND POSITIVE OUTPUTS
•
INCLOSURE CONFIGURATION: DUAL-IN-LINE
TECHNICAL CHARACTERISTICS
INPUT CIRCUIT PATTERN1 INPUT
INCLOSURE MATERIALPLASTIC
TERMINAL SURFACE TREATMENTSOLDER
DESIGN FUNCTION AND QUANTITY1 OSCILLATOR, CLOCK
BODY WIDTH0.470 INCHES NOMINAL IN
BODY HEIGHT0.375 INCHES NOMINAL IN
FEATURES PROVIDEDMONOLITHIC AND POSITIVE OUTPUTS
INCLOSURE CONFIGURATIONDUAL-IN-LINE
BODY LENGTH0.750 INCHES NOMINAL IN
STORAGE TEMP RANGE-55.0 TO 125.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 1
RASCO 1 4.0MHZReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is K1091A 4.0MHZ?
K1091A 4.0MHZ is a OSCILLATOR,CRYSTAL CONTROLLED.
What parts can replace K1091A 4.0MHZ?
There is 1 known substitute for K1091A 4.0MHZ: RASCO 1 4.0MHZ. Substitute compatibility should be verified for your specific system.
What is the NSN for K1091A 4.0MHZ?
K1091A 4.0MHZ is cataloged in the U.S. Government catalog under NSN 5962-01-047-4579. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.