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9557K339 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9557K339: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM, temp_rating: -70.0 FAHRENHEIT AND 250.00 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 6.225 INCHES NOMINAL IN, cross-sectional_height: 0.210 INCHES NOMINAL IN, end_item_identification: 5419-01-543-0158. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-646-7582, 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
9557K339
NSN: 5331-01-646-7582
FSC: 5331 — O-ring
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
temp_rating-70.0 FAHRENHEIT AND 250.00 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter6.225 INCHES NOMINAL IN
cross-sectional_height0.210 INCHES NOMINAL IN
end_item_identification5419-01-543-0158
NSN5331-01-646-7582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9557K339 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
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.00 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.210 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 6.225 INCHES NOMINAL IN
•
MATERIAL: RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
TECHNICAL CHARACTERISTICS
TEMP RATING-70.0 FAHRENHEIT AND 250.00 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.210 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER6.225 INCHES NOMINAL IN
END ITEM IDENTIFICATION5419-01-543-0158
MATERIALRUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
2-362 E0603Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9557K339?
9557K339 is a O-RING.
What parts can replace 9557K339?
There is 1 known substitute for 9557K339: 2-362 E0603. Substitute compatibility should be verified for your specific system.
What is the NSN for 9557K339?
9557K339 is cataloged in the U.S. Government catalog under NSN 5331-01-646-7582. This indicates validated use in U.S. government and defense supply chains.
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