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Technical Data Sheet
PartsTable / COMPONENT / QD727
QD727 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.750 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.750 INCHES NOMINAL IN, bolt_circle_diameter: 2.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-624-9938, 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
QD727
NSN: 5330-00-624-9938
FSC: 5330
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL CORROSION RESISTING OVERALL
hole_diameter0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.750 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter1.750 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter2.750 INCHES NOMINAL IN
outside_corner_radius0.438 INCHES NOMINAL IN
cross-sectional_thickness0.063 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL AND NONMETALLIC MATERIALS
side_radius_from_gasket_center1.250 INCHES NOMINAL IN
NSN5330-00-624-9938
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QD727 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 SHAPE STYLE: METAL AND NONMETALLIC MATERIALS
•
HOLE DIAMETER: 0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT CIRCLE DIAMETER: 2.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.438 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEMETAL AND NONMETALLIC MATERIALS
HOLE DIAMETER0.438 INCHES MINIMUM AND 0.625 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
OVERALL WIDTH3.750 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.750 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.438 INCHES NOMINAL IN
APERTURE DIAMETER1.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
STYLE DESIGNATORNON-CIRCULAR
MATERIALASBESTOS AND STEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5940Interchangeable
interchangeable cross-reference
interchangeable
3P90953-101Interchangeable
interchangeable cross-reference
interchangeable
E711219Interchangeable
interchangeable cross-reference
interchangeable
9360Interchangeable
interchangeable cross-reference
interchangeable
WC00596Interchangeable
interchangeable cross-reference
interchangeable
59402Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QD727?
QD727 is a GASKET.
What parts can replace QD727?
There are 15 known substitutes for QD727: 5940, 3P90953-101, E711219 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for QD727?
QD727 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-624-9938. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026