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Technical Data Sheet
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CD4 — Technical Data Sheet

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— · 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, length: 2.000 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: TUNGSTEN CARBIDE, unit_type: DOUBLE WING, design_type: THREADED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-243-3287, 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
CD4
NSN: 5340-00-243-3287
FSC: 5340
CAGE: 14557 — STANLEY WORKS THE (USA)
SPECIFICATIONS
shapeSTRAIGHT
length2.000 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialTUNGSTEN CARBIDE
unit_typeDOUBLE WING
design_typeTHREADED
thread_class2B
mounting_shankINCLUDED
overall_diameter0.438 INCHES NOMINAL IN
special_featuresRIGHT HAND SPRIRAL FLUTING
style_designatorBALL SHAPE
features_providedCHIPBREAKER
NSN5340-00-243-3287
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CD4 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: IRON OR STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
FEATURES PROVIDED: SCREW
•
UNIT TYPE: DOUBLE WING
•
LENGTH: 2.000 INCHES NOMINAL OVERALL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON OR STEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
FEATURES PROVIDEDSCREW
UNIT TYPEDOUBLE WING
LENGTH2.000 INCHES NOMINAL OVERALL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
95208-2Upgraded Successor
successor cross-reference
successor
32C94Upgraded Successor
successor cross-reference
successor
4 SC 4Interchangeable
interchangeable cross-reference
interchangeable
762FB1-4Interchangeable
interchangeable cross-reference
interchangeable
762FBInterchangeable
interchangeable cross-reference
interchangeable
14-14B-MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CD4?
CD4 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace CD4?
There are 19 known substitutes for CD4: 95208-2, 32C94, 4 SC 4 and 16 more. Substitute compatibility should be verified for your specific system.
Is CD4 still available?
CD4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026