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PRP143-19357 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PRP143-19357: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.641 INCHES NOMINAL IN, center_hole_diameter: 2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-187-9078, 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
PRP143-19357
NSN: 5331-01-187-9078
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter2.641 INCHES NOMINAL IN
center_hole_diameter2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-01-187-9078
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRP143-19357 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.641 INCHES NOMINAL IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.641 INCHES NOMINAL IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER2.405 INCHES MINIMUM AND 2.445 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 5
AS3209-143Reference document
Same NSN cross-reference
Reference document — Secondary reference
946.91.27.788Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SAE-AMS7276Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
Z00.N7423510009TBMReference document
Same NSN cross-reference
Reference document — Secondary reference
2-143 V779-75Reference document
Same NSN cross-reference
Reference document — Secondary 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 PRP143-19357?
PRP143-19357 is a O-RING.
What parts can replace PRP143-19357?
There are 5 known substitutes for PRP143-19357: AS3209-143, 946.91.27.788, SAE-AMS7276 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PRP143-19357?
PRP143-19357 is cataloged in the U.S. Government catalog under NSN 5331-01-187-9078. This indicates validated use in U.S. government and defense supply chains.
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