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Technical Data Sheet
PartsTable / COMPONENT / 4730PL0943847
4730PL0943847 ✓ 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 PLUG,EXPANSION is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, outside_diameter: 2.5000 INCHES NOMINAL IN, style_designator: CONCAVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-255-4423, 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
4730PL0943847
NSN: 5340-00-255-4423
FSC: 5340
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
outside_diameter2.5000 INCHES NOMINAL IN
style_designatorCONCAVE
NSN5340-00-255-4423
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4730PL0943847 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
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL: STEEL CORROSION RESISTING
•
OUTSIDE DIAMETER: 2.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORCONCAVE
MATERIALSTEEL CORROSION RESISTING
OUTSIDE DIAMETER2.5000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
8927579Upgraded Successor
successor cross-reference
successor
5117344Upgraded Successor
successor cross-reference
successor
1DD273Upgraded Successor
successor cross-reference
successor
5139989Interchangeable
interchangeable cross-reference
interchangeable
A20447Interchangeable
interchangeable cross-reference
interchangeable
5340002554423Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730PL0943847?
4730PL0943847 is a PLUG,EXPANSION.
What parts can replace 4730PL0943847?
There are 6 known substitutes for 4730PL0943847: 8927579, 5117344, 1DD273 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4730PL0943847?
4730PL0943847 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-255-4423. 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