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4343-366Y — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4343-366Y: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include temp_rating: -45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 4.125 INCHES NOMINAL IN, center_hole_diameter: 3.710 INCHES MINIMUM AND 3.740 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-908-8285, 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
4343-366Y
NSN: 5330-00-908-8285
FSC: 5330 — Packing and Gasket Materials
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
temp_rating-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter4.125 INCHES NOMINAL IN
center_hole_diameter3.710 INCHES MINIMUM AND 3.740 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationASTM D2000 5BG715BE1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-908-8285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4343-366Y 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
•
TEMP RATING: -45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 5BG715BE1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 4.125 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.710 INCHES MINIMUM AND 3.740 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-45.0 FAHRENHEIT AND 220.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 5BG715BE1E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER4.125 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.710 INCHES MINIMUM AND 3.740 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU 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
8427681-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
Q4343-366YReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4343-366Y?
4343-366Y is a PACKING,PREFORMED.
What parts can replace 4343-366Y?
There are 2 known substitutes for 4343-366Y: 8427681-1, Q4343-366Y. Substitute compatibility should be verified for your specific system.
What is the NSN for 4343-366Y?
4343-366Y is cataloged in the U.S. Government catalog under NSN 5330-00-908-8285. This indicates validated use in U.S. government and defense supply chains.
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