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Technical Data Sheet
PartsTable / COMPONENT / ES9611-02
ES9611-02 ✓ 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 BUTADIENE-STYRENE CLASS SBR, hole_diameter: 0.094 INCHES NOMINAL IN, overall_height: 0.531 INCHES NOMINAL IN, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 0.250 INCHES NOMINAL IN, material_hardness_rating: 40.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-273-4695, 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
ES9611-02
NSN: 5340-01-273-4695
FSC: 5340
CAGE: 98255 — DRS SUSTAINMENT SYSTEMS INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-STYRENE CLASS SBR
hole_diameter0.094 INCHES NOMINAL IN
overall_height0.531 INCHES NOMINAL IN
style_designatorFLAT TOP COUNTERBORED
first_counterbore_depth0.250 INCHES NOMINAL IN
material_hardness_rating40.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM
first_counterbore_diameter0.219 INCHES NOMINAL IN
outside/top_flange_diameter0.719 INCHES NOMINAL IN
NSN5340-01-273-4695
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ES9611-02 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 BUTADIENE-STYRENE CLASS SBR
•
OUTSIDE/TOP FLANGE DIAMETER: 0.719 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
MATERIAL HARDNESS RATING: 40.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM
•
FIRST COUNTERBORE DIAMETER: 0.219 INCHES NOMINAL IN
•
FIRST COUNTERBORE DEPTH: 0.250 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-STYRENE CLASS SBR
OUTSIDE/TOP FLANGE DIAMETER0.719 INCHES NOMINAL IN
OVERALL HEIGHT0.531 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
MATERIAL HARDNESS RATING40.0 DUROMETER MINIMUM AND 80.0 DUROMETER MAXIMUM
FIRST COUNTERBORE DIAMETER0.219 INCHES NOMINAL IN
FIRST COUNTERBORE DEPTH0.250 INCHES NOMINAL IN
HOLE DIAMETER0.094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
2458Interchangeable
interchangeable cross-reference
interchangeable
579DInterchangeable
interchangeable cross-reference
interchangeable
3CInterchangeable
interchangeable cross-reference
interchangeable
40770Interchangeable
interchangeable cross-reference
interchangeable
A7000Interchangeable
interchangeable cross-reference
interchangeable
10669408Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ES9611-02?
ES9611-02 is a BUMPER.
What parts can replace ES9611-02?
There are 18 known substitutes for ES9611-02: 2458, 579D, 3C and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ES9611-02?
ES9611-02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-273-4695. 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