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 BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, peripheral_diameter: 4.387 INCHES NOMINAL IN, center_hole_diameter: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-273-1000, 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.
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN
5331-01-273-1000
COMPONENT DIAGRAM
KEY FEATURES
•
PERIPHERAL DIAMETER: 4.387 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CENTER HOLE DIAMETER: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER
4.387 INCHES NOMINAL IN
ELONGATION PERCENTAGE
160 MAXIMUM
TEMP RATING
-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CENTER HOLE DIAMETER
4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATION
ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
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FREQUENTLY ASKED QUESTIONS
What is OR243?
OR243 is a O-RING.
What parts can replace OR243?
There are 14 known substitutes for OR243: MILR15624-1-4IDX1-20DX1-8CL3, MIL-R-15624 CLA SS 3, 4047-1220PC72 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OR243?
OR243 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-273-1000. This indicates validated use in U.S. government and defense supply chains.
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