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Technical Data Sheet

DD-4520 REF NO 10 — Technical Data Sheet

✓ 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. Key specifications include material: STEEL CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5330-01-067-0321, 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
DD-4520 REF NO 10
NSN: 5330-01-067-0321
FSC: 5330
CAGE: 53424 — CUNICO CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CASE
NSN5330-01-067-0321
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DD-4520 REF NO 10 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: STEEL CASE
TECHNICAL CHARACTERISTICS
MATERIALSTEEL CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
18624InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS3057-16AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4101200-022InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
833273-16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
XAC75P485InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CC-1556InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD-4520 REF NO 10?
DD-4520 REF NO 10 is a SEAL,PLAIN ENCASED.
What parts can replace DD-4520 REF NO 10?
There are 15 known substitutes for DD-4520 REF NO 10: 18624, MS3057-16A, 4101200-022 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD-4520 REF NO 10?
DD-4520 REF NO 10 is cataloged in the Federal Logistics Information System under NSN 5330-01-067-0321. This indicates validated use in U.S. government and defense supply chains.
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