PartsTable
Technical Data Sheet
QD527A ✓ 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: PAPER AND GLUE AND GLYCERIN OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, special_features: ONE HOLE 0.125 IN. DIA IN, bolt_circle_diameter: 6.500 INCHES NOMINAL IN, cross-sectional_thickness: 0.007 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-530-1274, 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
QD527A
NSN: 5330-00-530-1274
FSC: 5330
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
special_featuresONE HOLE 0.125 IN. DIA IN
bolt_circle_diameter6.500 INCHES NOMINAL IN
cross-sectional_thickness0.007 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-530-1274
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QD527A 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: SOLID SINGLE OR COMPOSITION
HOLE DIAMETER: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL THICKNESS: 0.007 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
MATERIAL: PAPER AND GLUE AND GLYCERIN OVERALL
BOLT CIRCLE DIAMETER: 6.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
SPECIAL FEATURESONE HOLE 0.125 IN. DIA IN
CROSS-SECTIONAL THICKNESS0.007 INCHES MINIMUM AND 0.008 INCHES MAXIMUM IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
BOLT CIRCLE DIAMETER6.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
27-430Interchangeable
interchangeable cross-reference
interchangeable
07-955EInterchangeable
interchangeable cross-reference
interchangeable
07-995EInterchangeable
interchangeable cross-reference
interchangeable
07-955FInterchangeable
interchangeable cross-reference
interchangeable
250SIZE2Interchangeable
interchangeable cross-reference
interchangeable
WUC244Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QD527A?
QD527A is a GASKET.
What parts can replace QD527A?
There are 7 known substitutes for QD527A: 27-430, 07-955E, 07-995E and 4 more. Substitute compatibility should be verified for your specific system.
Is QD527A still available?
QD527A is currently cancelled.
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