PartsTable
Technical Data Sheet
431384 ITEM 43 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
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 FLUOROCARBON CLASS FPM, temp_rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.818 INCHES NOMINAL IN, center_hole_diameter: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-167-5173, 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
431384 ITEM 43
NSN: 5331-00-167-5173
FSC: 5331 — O-RING
CAGE: 13520 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
outside_diameter0.818 INCHES NOMINAL IN
center_hole_diameter0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
end_item_identificationLAUNCHING ACCESSORIES
criticality_code_justificationAGAV
NSN5331-00-167-5173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 431384 ITEM 43 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CENTER HOLE DIAMETER: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATION: AGAV
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER: 0.818 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
CRITICALITY CODE JUSTIFICATIONAGAV
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
OUTSIDE DIAMETER0.818 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLAUNCHING ACCESSORIES
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
405393Interchangeable
interchangeable cross-reference
interchangeable
M83248-2-908CPInterchangeable
interchangeable cross-reference
interchangeable
63020 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
63020 ITEM 14CPInterchangeable
interchangeable cross-reference
interchangeable
675-00908Interchangeable
interchangeable cross-reference
interchangeable
86579908-16407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 431384 ITEM 43?
431384 ITEM 43 is a O-RING.
What parts can replace 431384 ITEM 43?
There are 24 known substitutes for 431384 ITEM 43: 405393, M83248-2-908CP, 63020 ITEM 14 and 21 more. Substitute compatibility should be verified for your specific system.
Is 431384 ITEM 43 still available?
431384 ITEM 43 is currently cancelled.
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