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KS 21426 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KS 21426: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, center_hole_diameter: 443.4 MILLIMETERS NOMINAL MM, cross-sectional_height: 7.0 MILLIMETERS NOMINAL MM, end_item_identification: MAIN DIESEL ENGINE, PART NUMBER 12ZAV40S ABOARD 420 FT WAGB COAST GUARD VESSELS FT, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-443-3867, 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
KS 21426
NSN: 5330-01-443-3867
FSC: 5330 — Packing and Gasket Materials
CAGE: 0EYA6 — DEFENSE MARITIME SOLUTIONS, INC. (USA)
SPECIFICATIONS
materialRUBBER OVERALL
center_hole_diameter443.4 MILLIMETERS NOMINAL MM
cross-sectional_height7.0 MILLIMETERS NOMINAL MM
end_item_identificationMAIN DIESEL ENGINE, PART NUMBER 12ZAV40S ABOARD 420 FT WAGB COAST GUARD VESSELS FT
cross-sectional_shape_styleO-RING
NSN5330-01-443-3867
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KS 21426 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 HEIGHT: 7.0 MILLIMETERS NOMINAL MM
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 443.4 MILLIMETERS NOMINAL MM
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT7.0 MILLIMETERS NOMINAL MM
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER443.4 MILLIMETERS NOMINAL MM
END ITEM IDENTIFICATIONMAIN DIESEL ENGINE, PART NUMBER 12ZAV40S ABOARD 420 FT WAGB COAST GUARD VESSELS FT
MATERIALRUBBER OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 2
107.034.703.045Reference document
Same NSN cross-reference
Reference document — Secondary reference
KS21421Reference 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 KS 21426?
KS 21426 is a PACKING,PREFORMED.
What parts can replace KS 21426?
There are 2 known substitutes for KS 21426: 107.034.703.045, KS21421. Substitute compatibility should be verified for your specific system.
What is the NSN for KS 21426?
KS 21426 is cataloged in the U.S. Government catalog under NSN 5330-01-443-3867. This indicates validated use in U.S. government and defense supply chains.
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