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QD535A — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

QD535A: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, aperture_width: 1.250 INCHES NOMINAL IN, aperture_length: 2.250 INCHES NOMINAL IN, style_designator: OVAL, bearing_surface_width: 0.218 INCHES NOMINAL IN, cross-sectional_thickness: 0.010 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-765-2842, 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
QD535A
NSN: 5330-00-765-2842
FSC: 5330 — Packing and Gasket Materials
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)
SPECIFICATIONS
materialPAPER OVERALL
aperture_width1.250 INCHES NOMINAL IN
aperture_length2.250 INCHES NOMINAL IN
style_designatorOVAL
bearing_surface_width0.218 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-765-2842
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QD535A 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: 0.010 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: OVAL
•
BEARING SURFACE WIDTH: 0.218 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 1.250 INCHES NOMINAL IN
•
APERTURE LENGTH: 2.250 INCHES NOMINAL IN
•
MATERIAL: PAPER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.010 INCHES MINIMUM AND 0.014 INCHES MAXIMUM IN
STYLE DESIGNATOROVAL
BEARING SURFACE WIDTH0.218 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE WIDTH1.250 INCHES NOMINAL IN
APERTURE LENGTH2.250 INCHES NOMINAL IN
MATERIALPAPER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
56258Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QD535A?
QD535A is a GASKET.
What parts can replace QD535A?
There is 1 known substitute for QD535A: 56258. Substitute compatibility should be verified for your specific system.
What is the NSN for QD535A?
QD535A is cataloged in the U.S. Government catalog under NSN 5330-00-765-2842. 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.