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Technical Data Sheet
PartsTable / O-RING / E3355 PC NO. 42 5IN
E3355 PC NO. 42 5IN ✓ 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 E3355 PC NO. 42 5IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-3275, 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
E3355 PC NO. 42 5IN
NSN: 5331-00-291-3275
FSC: 5331 — O-RING
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberE3355 PC NO. 42 5IN
NSN5331-00-291-3275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E3355 PC NO. 42 5IN 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
•
OUTSIDE DIAMETER: 6.964 INCHES MINIMUM AND 7.060 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 6.711 INCHES MINIMUM AND 6.757 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER6.964 INCHES MINIMUM AND 7.060 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER6.711 INCHES MINIMUM AND 6.757 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
HC155KANDHC162KX5Interchangeable
interchangeable cross-reference
interchangeable
D-0580Interchangeable
interchangeable cross-reference
interchangeable
HC-162K X HC-15Interchangeable
interchangeable cross-reference
interchangeable
11261Interchangeable
interchangeable cross-reference
interchangeable
4A2-1Interchangeable
interchangeable cross-reference
interchangeable
MMI8248Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E3355 PC NO. 42 5IN?
E3355 PC NO. 42 5IN is a E3355 PC NO. 42 5IN.
What parts can replace E3355 PC NO. 42 5IN?
There are 19 known substitutes for E3355 PC NO. 42 5IN: HC155KANDHC162KX5, D-0580, HC-162K X HC-15 and 16 more. Substitute compatibility should be verified for your specific system.
Is E3355 PC NO. 42 5IN still available?
E3355 PC NO. 42 5IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026