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C0557 2-038 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C0557 2-038: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, temp_rating: -45.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 2.728 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN, center_hole_diameter: 2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-231-2223, 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
C0557 2-038
NSN: 5330-01-231-2223
FSC: 5330 — Packing and Gasket Materials
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
temp_rating-45.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter2.728 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN
center_hole_diameter2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
cross_section_outside_diameter0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
material_document_and_classificationAMS3209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-231-2223
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C0557 2-038 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: -45.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS3209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
PERIPHERAL DIAMETER: 2.728 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING-45.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS3209 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
PERIPHERAL DIAMETER2.728 INCHES MINIMUM AND 2.780 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.594 INCHES MINIMUM AND 2.634 INCHES MAXIMUM IN
CROSS SECTION OUTSIDE DIAMETER0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
2-038C557-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
OR-038CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C0557 2-038?
C0557 2-038 is a PACKING,PREFORMED.
What parts can replace C0557 2-038?
There are 2 known substitutes for C0557 2-038: 2-038C557-70, OR-038C. Substitute compatibility should be verified for your specific system.
What is the NSN for C0557 2-038?
C0557 2-038 is cataloged in the U.S. Government catalog under NSN 5330-01-231-2223. This indicates validated use in U.S. government and defense supply chains.
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