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2-009C557-70 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-009C557-70: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, special_features: SALT WATER RESISTANT; TEMPERATURE RANGE -40C TO +100C., center_hole_diameter: 0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-623-5007, 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
2-009C557-70
NSN: 5331-01-623-5007
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
special_featuresSALT WATER RESISTANT; TEMPERATURE RANGE -40C TO +100C.
center_hole_diameter0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
NSN5331-01-623-5007
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-009C557-70 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
•
COLOR: BLACK
•
CENTER HOLE DIAMETER: 0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
COLORBLACK
SPECIAL FEATURESSALT WATER RESISTANT; TEMPERATURE RANGE -40C TO +100C.
CENTER HOLE DIAMETER0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
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
10407309Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2-009C557-70?
2-009C557-70 is a O-RING.
What parts can replace 2-009C557-70?
There is 1 known substitute for 2-009C557-70: 10407309. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-009C557-70?
2-009C557-70 is cataloged in the U.S. Government catalog under NSN 5331-01-623-5007. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.