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1028739 — GASKET

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

1028739: GASKET.

The GASKET is a 3M industrial component. Key specifications include material: RUBBER CHLOROPRENE CLASS CR OVERALL, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL, outside_diameter: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN, cross-sectional_thickness: 0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-433-3611, 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
1028739
NSN: 5330-00-433-3611
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR OVERALL
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
outside_diameter1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
cross-sectional_thickness0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM D2000,2BC615 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-433-3611
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1028739 MFR: 3M ⚠ 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: 0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000,2BC615 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.055 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000,2BC615 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
APERTURE DIAMETER0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
513502-1Reference 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 1028739?
1028739 is a GASKET manufactured by 3M.
What parts can replace 1028739?
There is 1 known substitute for 1028739: 513502-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1028739?
1028739 is cataloged in the U.S. Government catalog under NSN 5330-00-433-3611. This indicates validated use in U.S. government and defense supply chains.
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