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ADH4639A — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ADH4639A: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include outside_diameter: 0.629 INCHES NOMINAL IN, center_hole_diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-213-6795, 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
ADH4639A
NSN: 5331-01-213-6795
NIINs: 012136795, 012187040
FSC: 5331 — O-ring
CAGE: 13520 — DONALDSON COMPANY, INC. (USA)
SPECIFICATIONS
outside_diameter0.629 INCHES NOMINAL IN
center_hole_diameter0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-01-213-6795
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ADH4639A 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
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.629 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.629 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
2HS222Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
424817 ITEM 13Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ADH4639A?
ADH4639A is a O-RING.
What parts can replace ADH4639A?
There are 2 known substitutes for ADH4639A: 2HS222, 424817 ITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for ADH4639A?
ADH4639A is cataloged in the U.S. Government catalog under NSN 5331-01-213-6795. This indicates validated use in U.S. government and defense supply chains.
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