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649389 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

649389: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, hole_diameter: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.870 INCHES MINIMUM AND 3.900 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR, aperture_diameter: 2.880 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN, bolt_circle_diameter: 3.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-913-2748, 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
649389
NSN: 5330-00-913-2748
FSC: 5330 — Packing and Gasket Materials
CAGE: 3H889 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
hole_diameter0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.870 INCHES MINIMUM AND 3.900 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
aperture_diameter2.880 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN
bolt_hole_quantity4
bolt_circle_diameter3.500 INCHES NOMINAL IN
fsc_application_dataSTARTER,AIR,TURBINE,AIRCRAFT
outside_corner_radius0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
cross-sectional_thickness0.060 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center1.715 INCHES MINIMUM AND 1.725 INCHES MAXIMUM IN
NSN5330-00-913-2748
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 649389 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
•
FSC APPLICATION DATA: STARTER,AIR,TURBINE,AIRCRAFT
•
CROSS-SECTIONAL THICKNESS: 0.060 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.715 INCHES MINIMUM AND 1.725 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: VITON A FSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 2.880 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATASTARTER,AIR,TURBINE,AIRCRAFT
CROSS-SECTIONAL THICKNESS0.060 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.715 INCHES MINIMUM AND 1.725 INCHES MAXIMUM IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONVITON A FSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH3.870 INCHES MINIMUM AND 3.900 INCHES MAXIMUM IN
APERTURE DIAMETER2.880 INCHES MINIMUM AND 2.900 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER3.500 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 649389?
649389 is a GASKET.
What is the NSN for 649389?
649389 is cataloged in the U.S. Government catalog under NSN 5330-00-913-2748. 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.