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Q4218-514AD — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

Q4218-514AD: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 1.500 INCHES NOMINAL IN, center_hole_diameter: 1.250 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-048-1172, 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
Q4218-514AD
NSN: 5330-01-048-1172
FSC: 5330 — Packing and Gasket Materials
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter1.500 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationFSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-048-1172
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Q4218-514AD 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: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
PERIPHERAL DIAMETER: 1.500 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFSCM 18873 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESPECIAL
PERIPHERAL DIAMETER1.500 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
QRAR04218-V7002Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
52469-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4218-514ADReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is Q4218-514AD?
Q4218-514AD is a PACKING,PREFORMED.
What parts can replace Q4218-514AD?
There are 3 known substitutes for Q4218-514AD: QRAR04218-V7002, 52469-001, 4218-514AD. Substitute compatibility should be verified for your specific system.
What is the NSN for Q4218-514AD?
Q4218-514AD is cataloged in the U.S. Government catalog under NSN 5330-01-048-1172. This indicates validated use in U.S. government and defense supply chains.
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