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PartsTable / COMPONENT / H4320-218-4219
H4320-218-4219 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,THYRISTOR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, body_style: EXTERNAL LOCKING FLANGE, corner_shape: SQUARE OUTSIDE LEFT CORNER, groove_depth: 0.062 INCHES NOMINAL IN, groove_width: 0.062 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL 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 4320-00-218-4219, 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
H4320-218-4219
NSN: 4320-00-218-4219
FSC: 4320
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_styleEXTERNAL LOCKING FLANGE
corner_shapeSQUARE OUTSIDE LEFT CORNER
groove_depth0.062 INCHES NOMINAL IN
groove_width0.062 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
distance_from_end0.188 INCHES NOMINAL IN
body_inside_diameter2.750 INCHES NOMINAL IN
body_outside_diameter3.250 INCHES NOMINAL IN
internal_flange_width0.375 INCHES NOMINAL IN
end_to_flange_distance0.188 INCHES NOMINAL IN
NSN4320-00-218-4219
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,THYRISTOR TITLE COMPONENT PN H4320-218-4219 MFR SEMICONDUCTOR DEVICE,T
KEY FEATURES
•
LEFT SIDE FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
DISTANCE FROM END: 0.188 INCHES NOMINAL IN
•
BODY STYLE: EXTERNAL LOCKING FLANGE
•
MATERIAL: COPPER ALLOY
•
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOY 910 FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
LEFT SIDE FLANGE THICKNESS0.125 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.750 INCHES NOMINAL IN
DISTANCE FROM END0.188 INCHES NOMINAL IN
BODY STYLEEXTERNAL LOCKING FLANGE
MATERIALCOPPER ALLOY
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY 910 FED SPEC SINGLE MATERIAL RESPONSE
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
LARGEST EXTERNAL ANCHOR FLANGE RADIUS1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
49372HInterchangeable
interchangeable cross-reference
interchangeable
137178Interchangeable
interchangeable cross-reference
interchangeable
266697Interchangeable
interchangeable cross-reference
interchangeable
536001Interchangeable
interchangeable cross-reference
interchangeable
C103AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H4320-218-4219?
H4320-218-4219 is a SEMICONDUCTOR DEVICE,THYRISTOR.
What parts can replace H4320-218-4219?
There are 5 known substitutes for H4320-218-4219: 49372H, 137178, 266697 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H4320-218-4219?
H4320-218-4219 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-218-4219. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026