PartsTable
Technical Data Sheet
A284423 ✓ 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 SPRING 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 5340-00-528-4505, 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
A284423
NSN: 5340-00-528-4505
FSC: 5340
CAGE: 00000
SPECIFICATIONS
Part NumberA284423
NSN5340-00-528-4505
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A284423 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 15
40158Interchangeable
interchangeable cross-reference
interchangeable
C263-1Interchangeable
interchangeable cross-reference
interchangeable
BL435350ISSUE3Interchangeable
interchangeable cross-reference
interchangeable
C457-1Interchangeable
interchangeable cross-reference
interchangeable
BA3959Interchangeable
interchangeable cross-reference
interchangeable
648697Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A284423?
A284423 is a SPRING.
What parts can replace A284423?
There are 15 known substitutes for A284423: 40158, C263-1, BL435350ISSUE3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A284423?
A284423 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-528-4505. This indicates validated use in U.S. government and defense supply chains.
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