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649-7561-17 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

649-7561-17: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include outside_diameter: 2.000 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.750 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-186-9324, 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
649-7561-17
NSN: 5330-01-186-9324
FSC: 5330 — Packing and Gasket Materials
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
outside_diameter2.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.750 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
NSN5330-01-186-9324
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 649-7561-17 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 THICKNESS: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
APERTURE DIAMETER1.750 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
633-8242-34Reference document
Same NSN cross-reference
Reference document — Secondary reference
649-7561F03 INDEX 17Reference document
Same NSN cross-reference
Reference document — Secondary reference
853-8308Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 649-7561-17?
649-7561-17 is a GASKET.
What parts can replace 649-7561-17?
There are 3 known substitutes for 649-7561-17: 633-8242-34, 649-7561F03 INDEX 17, 853-8308. Substitute compatibility should be verified for your specific system.
What is the NSN for 649-7561-17?
649-7561-17 is cataloged in the U.S. Government catalog under NSN 5330-01-186-9324. 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.