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Technical Data Sheet
PartsTable / COMPONENT / Q4342-514AD
Q4342-514AD ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, temp_rating: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 4.000 INCHES NOMINAL IN, center_hole_diameter: 3.625 INCHES NOMINAL IN, cross-sectional_height: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-075-1002, 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
Q4342-514AD
NSN: 5330-01-075-1002
FSC: 5330
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
temp_rating-40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter4.000 INCHES NOMINAL IN
center_hole_diameter3.625 INCHES NOMINAL IN
cross-sectional_height0.188 INCHES NOMINAL IN
cross-sectional_shape_styleSPECIAL
material_document_and_classificationVITON 514AD FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-075-1002
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Q4342-514AD 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 SHAPE STYLE: SPECIAL
•
TEMP RATING: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: VITON 514AD FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.625 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESPECIAL
TEMP RATING-40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONVITON 514AD FSCM 07322 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.625 INCHES NOMINAL IN
PERIPHERAL DIAMETER4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
2500Interchangeable
interchangeable cross-reference
interchangeable
4027-1Interchangeable
interchangeable cross-reference
interchangeable
25379Interchangeable
interchangeable cross-reference
interchangeable
81000-40265 ITEM 6Interchangeable
interchangeable cross-reference
interchangeable
81000-40265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q4342-514AD?
Q4342-514AD is a PACKING,PREFORMED.
What parts can replace Q4342-514AD?
There are 5 known substitutes for Q4342-514AD: 2500, 4027-1, 25379 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Q4342-514AD?
Q4342-514AD is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-075-1002. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026