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Technical Data Sheet
PartsTable / O-RING / 9755-210X2PC18
9755-210X2PC18 ✓ 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, center_hole_diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 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 5331-00-720-2135, 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
9755-210X2PC18
NSN: 5331-00-720-2135
FSC: 5331 — O-RING
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER
center_hole_diameter2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-720-2135
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9755-210X2PC18 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
•
MATERIAL: RUBBER
•
CENTER HOLE DIAMETER: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
CENTER HOLE DIAMETER2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
KA500PC65Interchangeable
interchangeable cross-reference
interchangeable
SG3245PC29Interchangeable
interchangeable cross-reference
interchangeable
N304-7-12Interchangeable
interchangeable cross-reference
interchangeable
807002-95Interchangeable
interchangeable cross-reference
interchangeable
75,79X3,53-24B7Interchangeable
interchangeable cross-reference
interchangeable
40-4V300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9755-210X2PC18?
9755-210X2PC18 is a O-RING.
What parts can replace 9755-210X2PC18?
There are 9 known substitutes for 9755-210X2PC18: KA500PC65, SG3245PC29, N304-7-12 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9755-210X2PC18?
9755-210X2PC18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-720-2135. 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