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PartsTable / COMPONENT / 718R
718R ✓ 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 BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.187 INCHES NOMINAL IN, overall_height: 0.625 INCHES NOMINAL IN, style_designator: PAN TOP COUNTERBORED, first_counterbore_depth: 0.281 INCHES NOMINAL IN, first_counterbore_diameter: 0.312 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 5340-00-672-1926, 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
718R
NSN: 5340-00-672-1926
FSC: 5340
CAGE: 75543 — LAVELLE INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.187 INCHES NOMINAL IN
overall_height0.625 INCHES NOMINAL IN
style_designatorPAN TOP COUNTERBORED
first_counterbore_depth0.281 INCHES NOMINAL IN
first_counterbore_diameter0.312 INCHES NOMINAL IN
outside/top_flange_diameter0.875 INCHES NOMINAL IN
NSN5340-00-672-1926
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 718R 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
•
FIRST COUNTERBORE DEPTH: 0.281 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PAN TOP COUNTERBORED
•
MATERIAL: RUBBER
•
OUTSIDE/TOP FLANGE DIAMETER: 0.875 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.187 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST COUNTERBORE DEPTH0.281 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.312 INCHES NOMINAL IN
OVERALL HEIGHT0.625 INCHES NOMINAL IN
STYLE DESIGNATORPAN TOP COUNTERBORED
MATERIALRUBBER
OUTSIDE/TOP FLANGE DIAMETER0.875 INCHES NOMINAL IN
HOLE DIAMETER0.187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
15363Interchangeable
interchangeable cross-reference
interchangeable
53-897Interchangeable
interchangeable cross-reference
interchangeable
651427Interchangeable
interchangeable cross-reference
interchangeable
65307-03088-101Interchangeable
interchangeable cross-reference
interchangeable
H15363Interchangeable
interchangeable cross-reference
interchangeable
1536PC3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 718R?
718R is a BUMPER.
What parts can replace 718R?
There are 7 known substitutes for 718R: 15363, 53-897, 651427 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 718R?
718R is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-672-1926. 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