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ZZ-R-765CL2BGR70,AS568-241 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ZZ-R-765CL2BGR70,AS568-241: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q SEALING ELEMENT, special_features: MATERIAL IS RUBBER,SILICON, peripheral_diameter: 4.137 INCHES NOMINAL IN, center_hole_diameter: 3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: PACKING,PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-305-9212, 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
ZZ-R-765CL2BGR70,AS568-241
NSN: 5330-01-305-9212
FSC: 5330 — Packing and Gasket Materials
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q SEALING ELEMENT
special_featuresMATERIAL IS RUBBER,SILICON
peripheral_diameter4.137 INCHES NOMINAL IN
center_hole_diameter3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyPACKING,PREFORMED
NSN5330-01-305-9212
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ZZ-R-765CL2BGR70,AS568-241 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 4.137 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q SEALING ELEMENT
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
PERIPHERAL DIAMETER4.137 INCHES NOMINAL IN
SPECIAL FEATURESMATERIAL IS RUBBER,SILICON
CENTER HOLE DIAMETER3.831 INCHES MINIMUM AND 3.887 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
MATERIALRUBBER SILICONE CLASS Q SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
AS568-241ZZ-R-765CL2BGR70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6640828PC11-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ZZ-R-765CL2BGR70,AS568-241?
ZZ-R-765CL2BGR70,AS568-241 is a PACKING,PREFORMED.
What parts can replace ZZ-R-765CL2BGR70,AS568-241?
There are 2 known substitutes for ZZ-R-765CL2BGR70,AS568-241: AS568-241ZZ-R-765CL2BGR70, 801-6640828PC11-1. Substitute compatibility should be verified for your specific system.
What is the NSN for ZZ-R-765CL2BGR70,AS568-241?
ZZ-R-765CL2BGR70,AS568-241 is cataloged in the U.S. Government catalog under NSN 5330-01-305-9212. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.