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ARP568-145-1091 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ARP568-145-1091: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER, outside_diameter: 2.756 INCHES NOMINAL IN, center_hole_diameter: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-763-0202, 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
ARP568-145-1091
NSN: 5331-00-763-0202
FSC: 5331 — O-ring
CAGE: 24664 — JONAL LABORATORIES INC (USA)
SPECIFICATIONS
materialRUBBER
outside_diameter2.756 INCHES NOMINAL IN
center_hole_diameter2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NSN5331-00-763-0202
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ARP568-145-1091 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: 0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.756 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.756 INCHES NOMINAL IN
CENTER HOLE DIAMETER2.540 INCHES MINIMUM AND 2.560 INCHES MAXIMUM IN
MATERIALRUBBER
SUBSTITUTES & CROSS-REFERENCES 1
17126-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ARP568-145-1091?
ARP568-145-1091 is a O-RING.
What parts can replace ARP568-145-1091?
There is 1 known substitute for ARP568-145-1091: 17126-1. Substitute compatibility should be verified for your specific system.
What is the NSN for ARP568-145-1091?
ARP568-145-1091 is cataloged in the U.S. Government catalog under NSN 5331-00-763-0202. 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.