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Technical Data Sheet
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SX489 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SX489: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-534-2937, 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
SX489
NSN: 5330-00-534-2937
FSC: 5330 — Packing and Gasket Materials
CAGE: 53762 — SEAGRAVE CORP THE (USA)
SPECIFICATIONS
Part NumberSX489
NSN5330-00-534-2937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SX489 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
SUBSTITUTES & CROSS-REFERENCES 8
749191Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
736K1Reference document
Same NSN cross-reference
Reference document — Secondary reference
504005Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
27396AReference document
Same NSN cross-reference
Reference document — Secondary reference
032077Reference document
Same NSN cross-reference
Reference document — Secondary reference
5342937Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SX489?
SX489 is a SEAL,PLAIN.
What parts can replace SX489?
There are 8 known substitutes for SX489: 749191, 736K1, 504005 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SX489?
SX489 is cataloged in the U.S. Government catalog under NSN 5330-00-534-2937. This indicates validated use in U.S. government and defense supply chains.
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