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CEC4-5812 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CEC4-5812: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, material: PLASTIC POLYTETRAFLUOROETHYLENE OUTER RING, inside_diameter: 0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN, outside_diameter: 0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, special_features: TWO .020 X .020 NOTCHES 180 DEG APART;INTER RING IS 6 SIDED, inner_groove_width: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-473-7541, 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
CEC4-5812
NSN: 5330-01-473-7541
FSC: 5330 — Packing and Gasket Materials
CAGE: 07060 — C. E. CONOVER & CO., INC. (USA)
SPECIFICATIONS
height0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
materialPLASTIC POLYTETRAFLUOROETHYLENE OUTER RING
inside_diameter0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
outside_diameter0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
special_featuresTWO .020 X .020 NOTCHES 180 DEG APART;INTER RING IS 6 SIDED
inner_groove_width0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
peripheral_diameter0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
center_hole_diameter0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
cross-sectional_height0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
end_item_identificationCH-53A/D/E;CH-53 HELICOPTER A
cross-sectional_shape_styleOCTAGON INNER RING
part_name_assigned_by_controlling_agencyCEC4-5812
NSN5330-01-473-7541
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CEC4-5812 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: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: OCTAGON INNER RING
•
PERIPHERAL DIAMETER: 0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
•
HEIGHT: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
•
INNER GROOVE WIDTH: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEOCTAGON INNER RING
CROSS-SECTIONAL SHAPE STYLESPECIAL OUTER RING
PERIPHERAL DIAMETER0.800 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
INSIDE DIAMETER0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
HEIGHT0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
INNER GROOVE WIDTH0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
SPECIAL FEATURESTWO .020 X .020 NOTCHES 180 DEG APART;INTER RING IS 6 SIDED
CENTER HOLE DIAMETER0.612 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

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 CEC4-5812?
CEC4-5812 is a PACKING ASSEMBLY.
What is the NSN for CEC4-5812?
CEC4-5812 is cataloged in the U.S. Government catalog under NSN 5330-01-473-7541. 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.