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743421-2 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

743421-2: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 110 OVERALL, hole_diameter: 0.560 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 28.630 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 26.630 INCHES NOMINAL IN, bolt_hole_quantity: 24. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-481-0916, 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
743421-2
NSN: 5330-01-481-0916
FSC: 5330 — Packing and Gasket Materials
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY 110 OVERALL
hole_diameter0.560 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter28.630 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter26.630 INCHES NOMINAL IN
bolt_hole_quantity24
bolt_circle_diameter27.620 INCHES NOMINAL IN
end_item_identificationVORTEX INCINERATOR GASKETS FOR USS THORN (DD988)
cross-sectional_thickness0.120 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationASTM-B-152 060,SOFT ANNEALED TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyACCESS DOOR GASKET
NSN5330-01-481-0916
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 743421-2 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: 0.120 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B-152 060,SOFT ANNEALED TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 28.630 INCHES NOMINAL IN
•
APERTURE DIAMETER: 26.630 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 24
•
BOLT CIRCLE DIAMETER: 27.620 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.120 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B-152 060,SOFT ANNEALED TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER28.630 INCHES NOMINAL IN
APERTURE DIAMETER26.630 INCHES NOMINAL IN
BOLT HOLE QUANTITY24
BOLT CIRCLE DIAMETER27.620 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYACCESS DOOR GASKET
END ITEM IDENTIFICATIONVORTEX INCINERATOR GASKETS FOR USS THORN (DD988)
SUBSTITUTES & CROSS-REFERENCES 2
743421Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
593-7433421 PC2Reference 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 743421-2?
743421-2 is a GASKET.
What parts can replace 743421-2?
There are 2 known substitutes for 743421-2: 743421, 593-7433421 PC2. Substitute compatibility should be verified for your specific system.
What is the NSN for 743421-2?
743421-2 is cataloged in the U.S. Government catalog under NSN 5330-01-481-0916. This indicates validated use in U.S. government and defense supply chains.
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