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: -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN, center_hole_diameter: 1.234 INCHES NOMINAL IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-865-0404, 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
145904
NSN:5331-00-865-0404 FSC:5331 — O-RING CAGE:29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating
75.0 SHORE DUROMETER A NOMINAL
outside_diameter
12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
center_hole_diameter
1.234 INCHES NOMINAL IN
elongation_percentage
125 MAXIMUM
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN
5331-00-865-0404
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
OUTSIDE DIAMETER: 12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: -25.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.234 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING
75.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER
12.189 INCHES MINIMUM AND 12.335 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is 145904?
145904 is a O-RING.
What parts can replace 145904?
There are 23 known substitutes for 145904: 694002-416, 290-1019P2, 5960PL1369082 and 20 more. Substitute compatibility should be verified for your specific system.
Is 145904 still available?
145904 is currently cancelled.
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