PartsTable
Technical Data Sheet
PartsTable / O-RING / 019-19357
019-19357 ✓ 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: -29.0 CELSIUS AND 204.0 CELSIUS DEGC, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM, peripheral_diameter: 0.941 INCHES NOMINAL IN, center_hole_diameter: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN, elongation_percentage: 125 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 5331-01-187-9076, 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
019-19357
NSN: 5331-01-187-9076
FSC: 5331 — O-RING
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-29.0 CELSIUS AND 204.0 CELSIUS DEGC
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
peripheral_diameter0.941 INCHES NOMINAL IN
center_hole_diameter0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
specification/standard_data81343-AS3209 GOVERNMENT STANDARD
NSN5331-01-187-9076
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 019-19357 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
•
PERIPHERAL DIAMETER: 0.941 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
•
TEMP RATING: -29.0 CELSIUS AND 204.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
SPECIAL FEATURESMATERIAL RUBBER FLUOROCARBON CLASS FKM AMS7276;CROSS SECTION OUTSIDE DIAMETER: 0.067 IN. MIN, AND 0.073 IN. MAX.;CROSS-SECTIONAL SHAPE STYLE: O-RING;FUNCTIONAL DESCRIPTION: AIRCRAFT ENGINE AND PROPELLER IN
PERIPHERAL DIAMETER0.941 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER
TEMP RATING-29.0 CELSIUS AND 204.0 CELSIUS DEGC
SPECIFICATION/STANDARD DATA81343-AS3209 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
R49388-019GInterchangeable
interchangeable cross-reference
interchangeable
028-09377Interchangeable
interchangeable cross-reference
interchangeable
2-019V0747-75Interchangeable
interchangeable cross-reference
interchangeable
30808989 ITEM 23Interchangeable
interchangeable cross-reference
interchangeable
N-999-6082-A-007 ITEM 12Interchangeable
interchangeable cross-reference
interchangeable
M82348/1-136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 019-19357?
019-19357 is a O-RING.
What parts can replace 019-19357?
There are 34 known substitutes for 019-19357: R49388-019G, 028-09377, 2-019V0747-75 and 31 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 019-19357?
019-19357 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-187-9076. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026