PartsTable
Technical Data Sheet
2574737-6 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN, center_hole_diameter: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-455-6405, 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
2574737-6
NSN: 5331-00-455-6405
FSC: 5331 — O-RING
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
center_hole_diameter1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-455-6405
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2574737-6 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
CENTER HOLE DIAMETER: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
MATERIAL: RUBBER
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER: 1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 331 MAXIMUM
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
OUTSIDE DIAMETER1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
ELONGATION PERCENTAGE331 MAXIMUM
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
AS568-029NBRInterchangeable
interchangeable cross-reference
interchangeable
0221-12662-922 REF 34Interchangeable
interchangeable cross-reference
interchangeable
2-029 BUNA-NInterchangeable
interchangeable cross-reference
interchangeable
2-029 N674-70Interchangeable
Same NIIN cross-reference
interchangeable
2-029 N674-7Interchangeable
Same NIIN cross-reference
interchangeable
2-029 N219-7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2574737-6?
2574737-6 is a O-RING.
What parts can replace 2574737-6?
There are 7 known substitutes for 2574737-6: AS568-029NBR, 0221-12662-922 REF 34, 2-029 BUNA-N and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2574737-6?
2574737-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-455-6405. This indicates validated use in U.S. government and defense supply chains.
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