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 color: WHITE, material: RUBBER CHLOROPRENE CLASS CR, temp_rating: -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF, special_features: MATERIAL REINFORCED WITH FIBERGLASS, center_hole_diameter: 5.000 INCHES NOMINAL IN, cross-sectional_height: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-396-8001, 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
ST7M258-500
NSN:5331-01-396-8001 FSC:5331 — O-RING CAGE:76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
color
WHITE
material
RUBBER CHLOROPRENE CLASS CR
temp_rating
-65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
special_features
MATERIAL REINFORCED WITH FIBERGLASS
center_hole_diameter
5.000 INCHES NOMINAL IN
cross-sectional_height
0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
NSN
5331-01-396-8001
COMPONENT DIAGRAM
KEY FEATURES
•
COLOR: WHITE
•
CENTER HOLE DIAMETER: 5.000 INCHES NOMINAL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 600.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is ST7M258-500?
ST7M258-500 is a O-RING.
What parts can replace ST7M258-500?
There are 13 known substitutes for ST7M258-500: 7600500, 600500, D-9 and 10 more. Substitute compatibility should be verified for your specific system.
Is ST7M258-500 still available?
ST7M258-500 is currently cancelled.
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