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Technical Data Sheet
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41303K — Technical Data Sheet

✓ Government record, cited
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-272-2605, 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
41303K
NSN: 5330-01-272-2605
FSC: 5330 — Packing and Gasket Materials
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
NSN5330-01-272-2605
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 41303K 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
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
41303Possible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
41303-EFPossible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
EFO-FL11-303.4-LCS REV 1 ITEM 14Possible match (shared part number)
Possible match (shared part number)
Possible match (shared part number)
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 41303K?
41303K is a RETAINER,PACKING.
What parts can replace 41303K?
There are 3 known substitutes for 41303K: 41303, 41303-EF, EFO-FL11-303.4-LCS REV 1 ITEM 14. Substitute compatibility should be verified for your specific system.
What is the NSN for 41303K?
41303K is cataloged in the U.S. Government catalog under NSN 5330-01-272-2605. This indicates validated use in U.S. government and defense supply chains.
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