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Technical Data Sheet
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20-3619 — 20-3619

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20-3619: 20-3619.

The 20-3619 is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, temp_rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN, center_hole_diameter: 0.202 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-166-0968, 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
20-3619
NSN: 5331-00-166-0968
NIINs: 001660968, 010728831
FSC: 5331 — O-ring
CAGE: 07334 — ITW INDUSTRIAL FINISHING DBA BINKS DEVILBISS (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
temp_rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A NOMINAL
outside_diameter0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
center_hole_diameter0.202 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-166-0968
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20-3619 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
•
TEMP RATING: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 0.202 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
TEMP RATING-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.337 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER0.202 INCHES MINIMUM AND 0.214 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 9
M83248/1-009Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS3209-009Reference document
Same NSN cross-reference
Reference document — Secondary reference
R01-009Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-009 V747-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS83248/1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1531758-31Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-3619?
20-3619 is a 20-3619.
What parts can replace 20-3619?
There are 9 known substitutes for 20-3619: M83248/1-009, AS3209-009, R01-009 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-3619?
20-3619 is cataloged in the U.S. Government catalog under NSN 5331-00-166-0968. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.