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Technical Data Sheet
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400D500 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-959-8901, 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
400D500
NSN: 5330-00-959-8901
FSC: 5330
CAGE: 97674 — CONE DRIVE OPERATIONS INC (USA)
SPECIFICATIONS
Part Number400D500
NSN5330-00-959-8901
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 400D500 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
5376Interchangeable
interchangeable cross-reference
interchangeable
SMP20-304Interchangeable
interchangeable cross-reference
interchangeable
825-102Interchangeable
interchangeable cross-reference
interchangeable
76EInterchangeable
interchangeable cross-reference
interchangeable
87-8-6-70Interchangeable
interchangeable cross-reference
interchangeable
38-5376-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 400D500?
400D500 is a SEAL,PLAIN ENCASED.
What parts can replace 400D500?
There are 18 known substitutes for 400D500: 5376, SMP20-304, 825-102 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 400D500?
400D500 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-959-8901. 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