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40389-9 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

40389-9: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, temp_rating: 500.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN, special_features: BEARING SURFACES CHAMFERED 45.0 DEGREES BY 0.100 IN. MIN,0.105 IN.

MX LG IN, style_designator: CIRCULAR. This part is cataloged in the U.S. Government catalog under NSN 5330-00-252-8284, 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
40389-9
NSN: 5330-00-252-8284
NIINs: 002528284, 008784737
FSC: 5330 — Packing and Gasket Materials
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
temp_rating500.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
special_featuresBEARING SURFACES CHAMFERED 45.0 DEGREES BY 0.100 IN. MIN,0.105 IN. MX LG IN
style_designatorCIRCULAR
aperture_diameter0.861 INCHES MINIMUM AND 0.886 INCHES MAXIMUM IN
fsc_application_dataJET ENGINE,AIRCRAFT
cross-sectional_thickness0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationAMS 7278 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-252-8284
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40389-9 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESUSED ON DUCT P/N 216-46382,AIRCRAFT MODEL A-7
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 40389-9?
40389-9 is a GASKET.
What is the NSN for 40389-9?
40389-9 is cataloged in the U.S. Government catalog under NSN 5330-00-252-8284. This indicates validated use in U.S. government and defense supply chains.
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