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Technical Data Sheet
63946-2 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, overall_length: 0.620 INCHES NOMINAL IN, special_features: HOLE ONE 0.257 IN. DIA IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-252-6757, 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
63946-2
NSN: 5340-00-252-6757
FSC: 5340
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 302
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
overall_length0.620 INCHES NOMINAL IN
special_featuresHOLE ONE 0.257 IN. DIA IN
style_designatorSINGLE
features_providedHERMETICALLY SEALED AND MONOLITHIC AND POSITIVE OUTPUTS AND LOW POWER AND SCHOTTKY AND ASYNCHRONOUS AND W/BUFFERED OUTPUT AND W/CLEAR AND W/ENABLE AND RESETTABLE
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC AND GLASS
material_thickness0.063 INCHES NOMINAL IN
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
NSN5340-00-252-6757
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63946-2 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: STEEL COMP 302
STYLE DESIGNATOR: SINGLE
MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-766,COND A FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 302
STYLE DESIGNATORSINGLE
MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL IN
SPECIAL FEATURESHOLE ONE 0.257 IN. DIA IN
OVERALL LENGTH0.620 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
74LS164Interchangeable
interchangeable cross-reference
interchangeable
369-462Interchangeable
interchangeable cross-reference
interchangeable
SN74LS164J-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 63946-2?
63946-2 is a MICROCIRCUIT,DIGITAL.
What parts can replace 63946-2?
There are 3 known substitutes for 63946-2: 74LS164, 369-462, SN74LS164J-00. Substitute compatibility should be verified for your specific system.
What is the NSN for 63946-2?
63946-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-252-6757. This indicates validated use in U.S. government and defense supply chains.
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