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QSC-441721 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

QSC-441721: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include end_item_identification: 2330-01-458-6865, part_name_assigned_by_controlling_agency: PACKING,PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-551-8607, 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
QSC-441721
NSN: 5340-01-551-8607
FSC: 5340 — Hardware, Commercial
CAGE: 09YD1 — QUALITY SUPPLY CORP (USA)
SPECIFICATIONS
end_item_identification2330-01-458-6865
part_name_assigned_by_controlling_agencyPACKING,PREFORMED
NSN5340-01-551-8607
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: QSC-441721 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
END ITEM IDENTIFICATION2330-01-458-6865
SUBSTITUTES & CROSS-REFERENCES 1
441743Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is QSC-441721?
QSC-441721 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace QSC-441721?
There is 1 known substitute for QSC-441721: 441743. Substitute compatibility should be verified for your specific system.
What is the NSN for QSC-441721?
QSC-441721 is cataloged in the U.S. Government catalog under NSN 5340-01-551-8607. This indicates validated use in U.S. government and defense supply chains.
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