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Technical Data Sheet
PartsTable / COMPONENT / PD-40
PD-40 ✓ 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

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include material: SILICON, drive_type: SERRATED, design_type: THREADED, thread_class: 3A A, overall_width: 2.600 INCHES NOMINAL IN, overall_height: 1.100 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 5340-00-619-7603, 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
PD-40
NSN: 5340-00-619-7603
FSC: 5340
CAGE: 99017 — CAPLUGS LLC DBA MOKON DIV CAPLUGS (USA)
SPECIFICATIONS
materialSILICON
drive_typeSERRATED
design_typeTHREADED
thread_class3A A
overall_width2.600 INCHES NOMINAL IN
overall_height1.100 INCHES NOMINAL IN
overall_length4.700 INCHES NOMINAL IN
accuracy_rating0.0625 INCHES IN
mounting_methodTERMINAL
overall_diameter0.250 INCHES NOMINAL IN
features_providedSHOULDER
measurement_range+0.2 TO 660.0 FEET FT
NSN5340-00-619-7603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PD-40 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
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
FEATURES PROVIDED: SHOULDER
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/16-20 UNF
•
DRIVE TYPE: SERRATED
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPETHREADED
OVERALL DIAMETER0.250 INCHES NOMINAL IN
THREAD CLASS3A A
FEATURES PROVIDEDSHOULDER
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF
DRIVE TYPESERRATED
MATERIALPLASTIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
PD-40Upgraded Successor
successor cross-reference
successor
6685NCM082332Interchangeable
interchangeable cross-reference
interchangeable
3508185Interchangeable
interchangeable cross-reference
interchangeable
95207-3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PD-40?
PD-40 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What parts can replace PD-40?
There are 4 known substitutes for PD-40: PD-40, 6685NCM082332, 3508185 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PD-40?
PD-40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-619-7603. 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