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Technical Data Sheet
PartsTable / O-RING / AS29561-111
AS29561-111 ✓ 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 SYNTHETIC, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.630 INCHES NOMINAL IN, center_hole_diameter: 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN, elongation_percentage: 250 MAXIMUM, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-684-7784, 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
AS29561-111
NSN: 5331-00-684-7784
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.630 INCHES NOMINAL IN
center_hole_diameter0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
elongation_percentage250 MAXIMUM
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-684-7784
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS29561-111 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
•
OUTSIDE DIAMETER: 0.630 INCHES NOMINAL IN
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.630 INCHES NOMINAL IN
ELONGATION PERCENTAGE250 MAXIMUM
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.419 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
MILR7362Interchangeable
interchangeable cross-reference
interchangeable
8438721Interchangeable
interchangeable cross-reference
interchangeable
AMS-R-7362Interchangeable
interchangeable cross-reference
interchangeable
VS80501-3Interchangeable
interchangeable cross-reference
interchangeable
NAS1598D12YInterchangeable
interchangeable cross-reference
interchangeable
204-030-772-025Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS29561-111?
AS29561-111 is a O-RING.
What parts can replace AS29561-111?
There are 14 known substitutes for AS29561-111: MILR7362, 8438721, AMS-R-7362 and 11 more. Substitute compatibility should be verified for your specific system.
Is AS29561-111 still available?
AS29561-111 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026