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Technical Data Sheet
420283-1 ✓ 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,COUPLING is a the manufacturer industrial component. Key specifications include reference_number_differentiating_characteristics: STD SEAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-902-0220, 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
420283-1
NSN: 5330-00-902-0220
FSC: 5330
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsSTD SEAL
NSN5330-00-902-0220
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 420283-1 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: STD SEAL
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSTD SEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
18M4B-AC0-T0GH3349Interchangeable
interchangeable cross-reference
interchangeable
SM-18Interchangeable
interchangeable cross-reference
interchangeable
1134617-2Interchangeable
interchangeable cross-reference
interchangeable
9105Interchangeable
interchangeable cross-reference
interchangeable
53105Interchangeable
interchangeable cross-reference
interchangeable
360-0270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420283-1?
420283-1 is a SEAL,COUPLING.
What parts can replace 420283-1?
There are 21 known substitutes for 420283-1: 18M4B-AC0-T0GH3349, SM-18, 1134617-2 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 420283-1?
420283-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-902-0220. This indicates validated use in U.S. government and defense supply chains.
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