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A-4439-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-4439-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, temp_rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, outside_diameter: 0.750 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.600 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-056-6517, 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
A-4439-1
NSN: 5330-01-056-6517
FSC: 5330 — Packing and Gasket Materials
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
temp_rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
outside_diameter0.750 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.600 INCHES NOMINAL IN
elongation_percentage125 MAXIMUM
cross-sectional_thickness0.093 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-056-6517
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-4439-1 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
•
TEMP RATING: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.093 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.600 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.093 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
APERTURE DIAMETER0.600 INCHES NOMINAL IN
ELONGATION PERCENTAGE125 MAXIMUM
MATERIALRUBBER SILICONE CLASS Q OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
A-4439Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 A-4439-1?
A-4439-1 is a GASKET.
What parts can replace A-4439-1?
There is 1 known substitute for A-4439-1: A-4439. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4439-1?
A-4439-1 is cataloged in the U.S. Government catalog under NSN 5330-01-056-6517. This indicates validated use in U.S. government and defense supply chains.
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