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Technical Data Sheet
D3818PC8 ✓ Verified by PartsTable
· 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: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL RETAINER, peripheral_diameter: 0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN, center_hole_diameter: 0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, cross-sectional_height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-225-4218, 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
D3818PC8
NSN: 5330-01-225-4218
FSC: 5330
CAGE: 99682 — CARTER CONTROLS A FIGGIE INTL CO (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL RETAINER
peripheral_diameter0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
center_hole_diameter0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
cross-sectional_height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5330-01-225-4218
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D3818PC8 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
PERIPHERAL DIAMETER: 0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CRITICALITY CODE JUSTIFICATION: ZZZW
JOINT TYPE: SCARF-PERIPHERAL RETAINER
CROSS-SECTIONAL HEIGHT: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CENTER HOLE DIAMETER: 0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER0.430 INCHES MINIMUM AND 0.436 INCHES MAXIMUM IN
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CRITICALITY CODE JUSTIFICATIONZZZW
JOINT TYPESCARF-PERIPHERAL RETAINER
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.326 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5330PL1851936Interchangeable
interchangeable cross-reference
interchangeable
2710806PC19Interchangeable
interchangeable cross-reference
interchangeable
149R011Interchangeable
interchangeable cross-reference
interchangeable
MS28774-011Interchangeable
Same NIIN cross-reference
interchangeable
L 5349T-4PP(L)-485 PIECE 11Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AS8791Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D3818PC8?
D3818PC8 is a RETAINER,PACKING.
What parts can replace D3818PC8?
There are 7 known substitutes for D3818PC8: 5330PL1851936, 2710806PC19, 149R011 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D3818PC8?
D3818PC8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-225-4218. This indicates validated use in U.S. government and defense supply chains.
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