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: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL, outside_diameter: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN, center_hole_diameter: 4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN, 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 5331-00-087-8528, 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
DBA2-248
NSN:5331-00-087-8528 FSC:5331 — O-RING CAGE:25024 — PORTER SEAL CO (USA)
SPECIFICATIONS
material
RUBBER
temp_rating
-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating
80.0 SHORE DUROMETER A NOMINAL
outside_diameter
4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
center_hole_diameter
4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-087-8528
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 4.704 INCHES MINIMUM AND 4.764 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
•
TEMP RATING: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is DBA2-248?
DBA2-248 is a O-RING.
What parts can replace DBA2-248?
There are 18 known substitutes for DBA2-248: 4730PL1340532, 19-02-1608, MILH24136 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DBA2-248?
DBA2-248 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-087-8528. This indicates validated use in U.S. government and defense supply chains.
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