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Technical Data Sheet
PartsTable / O-RING / 624VLK00251
624VLK00251 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM 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 5331-00-494-2496, 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
624VLK00251
NSN: 5331-00-494-2496
FSC: 5331 — O-RING
CAGE: 55207 — ARROW-MASTER, INCORPORATED (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-494-2496
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 624VLK00251 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
CENTER HOLE DIAMETER: 1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER1.043 INCHES MINIMUM AND 1.055 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
210039Interchangeable
interchangeable cross-reference
interchangeable
243973Interchangeable
interchangeable cross-reference
interchangeable
624VLK00258Interchangeable
interchangeable cross-reference
interchangeable
10133216Interchangeable
interchangeable cross-reference
interchangeable
938D392-3Interchangeable
interchangeable cross-reference
interchangeable
71-BY-231021Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 624VLK00251?
624VLK00251 is a O-RING.
What parts can replace 624VLK00251?
There are 7 known substitutes for 624VLK00251: 210039, 243973, 624VLK00258 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 624VLK00251?
624VLK00251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-494-2496. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026