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943821-9 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

943821-9: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, peripheral_diameter: 18.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MAXIMUM MM, center_hole_diameter: 11.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM, cross-sectional_height: 2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM, cross-sectional_shape_style: SPECIAL, material_document_and_classification: STD 1224,52,CAGEC U0298 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-320-8111, 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
943821-9
NSN: 5330-01-320-8111
FSC: 5330 — Packing and Gasket Materials
CAGE: U0298 — VOLVO PENTA UK LTD (GBR)
SPECIFICATIONS
materialRUBBER OVERALL
peripheral_diameter18.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MAXIMUM MM
center_hole_diameter11.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM
cross-sectional_height2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM
cross-sectional_shape_styleSPECIAL
material_document_and_classificationSTD 1224,52,CAGEC U0298 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-320-8111
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 943821-9 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
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM
•
MATERIAL DOCUMENT AND CLASSIFICATION: STD 1224,52,CAGEC U0298 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 18.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MAXIMUM MM
•
CENTER HOLE DIAMETER: 11.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT2.7 MILLIMETERS MINIMUM AND 3.3 MILLIMETERS MAXIMUM MM
MATERIAL DOCUMENT AND CLASSIFICATIONSTD 1224,52,CAGEC U0298 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER18.5 MILLIMETERS MINIMUM AND 19.5 MILLIMETERS MAXIMUM MM
CENTER HOLE DIAMETER11.5 MILLIMETERS MINIMUM AND 13.5 MILLIMETERS MAXIMUM MM
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 1
E780-095-559Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 943821-9?
943821-9 is a PACKING,PREFORMED.
What parts can replace 943821-9?
There is 1 known substitute for 943821-9: E780-095-559. Substitute compatibility should be verified for your specific system.
What is the NSN for 943821-9?
943821-9 is cataloged in the U.S. Government catalog under NSN 5330-01-320-8111. This indicates validated use in U.S. government and defense supply chains.
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