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2574737-7 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2574737-7: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.735 INCHES MINIMUM AND 1.773 INCHES MAXIMUM IN, center_hole_diameter: 1.604 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-455-6407, 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
2574737-7
NSN: 5331-00-455-6407
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter1.735 INCHES MINIMUM AND 1.773 INCHES MAXIMUM IN
center_hole_diameter1.604 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
end_item_identificationTORPEDO SYSTEMS, MK 46; FORRESTAL CLASS CV; SPRUANCE CLASS DD (963); AN/SLQ-48 MINE NEUTRALIZATION SYSTEM; WHIDBEY ISLAND CLASS LSD
NSN5331-00-455-6407
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2574737-7 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: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.735 INCHES MINIMUM AND 1.773 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
CENTER HOLE DIAMETER: 1.604 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.735 INCHES MINIMUM AND 1.773 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE331 MAXIMUM
CENTER HOLE DIAMETER1.604 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONTORPEDO SYSTEMS, MK 46; FORRESTAL CLASS CV; SPRUANCE CLASS DD (963); AN/SLQ-48 MINE NEUTRALIZATION SYSTEM; WHIDBEY ISLAND CLASS LSD
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 3
2-030 N674-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-030 N219-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
N141015510Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2574737-7?
2574737-7 is a O-RING.
What parts can replace 2574737-7?
There are 3 known substitutes for 2574737-7: 2-030 N674-70, 2-030 N219-7, N141015510. Substitute compatibility should be verified for your specific system.
What is the NSN for 2574737-7?
2574737-7 is cataloged in the U.S. Government catalog under NSN 5331-00-455-6407. This indicates validated use in U.S. government and defense supply chains.
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