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D3113437A — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D3113437A: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.068 INCHES NOMINAL IN, center_hole_diameter: 1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-990-3979, 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
D3113437A
NSN: 5331-00-990-3979
FSC: 5331 — O-ring
CAGE: 0VP52 — FINCANTIERI MARINE SYSTEMS NORTH AMERICA, INC. DBA FINCANTIERI MARINE SYSTEMS NORTH AM (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q
temp_rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter2.068 INCHES NOMINAL IN
center_hole_diameter1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-990-3979
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D3113437A 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: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.068 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q
TECHNICAL CHARACTERISTICS
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.068 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q
SUBSTITUTES & CROSS-REFERENCES 4
MS9068-134Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS3582Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-134S604-70Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS3582-134Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D3113437A?
D3113437A is a O-RING.
What parts can replace D3113437A?
There are 4 known substitutes for D3113437A: MS9068-134, SAE-AS3582, 2-134S604-70 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D3113437A?
D3113437A is cataloged in the U.S. Government catalog under NSN 5331-00-990-3979. This indicates validated use in U.S. government and defense supply chains.
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