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: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.554 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN, center_hole_diameter: 1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN, elongation_percentage: 160 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 5331-00-238-4708, 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
RAR2999
NSN:5331-00-238-4708 FSC:5331 — O-RING CAGE:F3015 — NAVAL GROUP SITE DE LORIENT (FRA)
SPECIFICATIONS
material
RUBBER
temp_rating
-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating
90.0 SHORE DUROMETER A NOMINAL
outside_diameter
1.554 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
center_hole_diameter
1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-238-4708
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 1.290 INCHES MINIMUM AND 1.302 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 160 MAXIMUM
•
MATERIAL: RUBBER
•
OUTSIDE DIAMETER: 1.554 INCHES MINIMUM AND 1.594 INCHES MAXIMUM IN
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is RAR2999?
RAR2999 is a O-RING.
What parts can replace RAR2999?
There are 11 known substitutes for RAR2999: AS 568-219, 3296038, 903509C1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RAR2999?
RAR2999 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-238-4708. This indicates validated use in U.S. government and defense supply chains.
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