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T427A300 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

T427A300: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: CORK AND RESIN NATURAL OR RESIN SYNTHETIC AND CORK OVERALL, overall_width: 7.781 INCHES NOMINAL IN, aperture_width: 6.938 INCHES NOMINAL IN, overall_length: 32.344 INCHES NOMINAL IN, aperture_length: 31.500 INCHES NOMINAL IN, style_designator: NON-CIRCULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-353-8909, 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
T427A300
NSN: 5330-00-353-8909
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialCORK AND RESIN NATURAL OR RESIN SYNTHETIC AND CORK OVERALL
overall_width7.781 INCHES NOMINAL IN
aperture_width6.938 INCHES NOMINAL IN
overall_length32.344 INCHES NOMINAL IN
aperture_length31.500 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
inside_corner_radius0.500 INCHES NOMINAL IN
cross-sectional_thickness0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-G-12803,+2127-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-353-8909
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: T427A300 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: 0.188 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+2127-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 6.938 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.188 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+2127-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH32.344 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH7.781 INCHES NOMINAL IN
APERTURE WIDTH6.938 INCHES NOMINAL IN
APERTURE LENGTH31.500 INCHES NOMINAL IN
MATERIALCORK AND RESIN NATURAL OR RESIN SYNTHETIC AND CORK OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
428A5Reference document
Same NSN cross-reference
Reference document — Secondary reference
JHP39-190Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T427A300?
T427A300 is a GASKET.
What parts can replace T427A300?
There are 2 known substitutes for T427A300: 428A5, JHP39-190. Substitute compatibility should be verified for your specific system.
What is the NSN for T427A300?
T427A300 is cataloged in the U.S. Government catalog under NSN 5330-00-353-8909. This indicates validated use in U.S. government and defense supply chains.
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