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: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-5079, 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
83687 ITEM 13
NSN:5331-00-291-5079 FSC:5331 — O-RING CAGE:01379 — EMERSON PROCESS MANAGEMENT VALVE AUTOMATION, INC. (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter
5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
elongation_percentage
331 MAXIMUM
cross-sectional_height
0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN
5331-00-291-5079
COMPONENT DIAGRAM
KEY FEATURES
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 5.216 INCHES MINIMUM AND 5.262 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
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FREQUENTLY ASKED QUESTIONS
What is 83687 ITEM 13?
83687 ITEM 13 is a O-RING.
What parts can replace 83687 ITEM 13?
There are 11 known substitutes for 83687 ITEM 13: MIL-G-21569B, 104503, 149121 and 8 more. Substitute compatibility should be verified for your specific system.
Is 83687 ITEM 13 still available?
83687 ITEM 13 is currently cancelled.
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