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Technical Data Sheet
PartsTable / O-RING / E3650 3/4IN PC 30
E3650 3/4IN PC 30 ✓ 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 E3650 3/4IN PC 30 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-031-1344, 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
E3650 3/4IN PC 30
NSN: 5331-01-031-1344
FSC: 5331 — O-RING
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberE3650 3/4IN PC 30
NSN5331-01-031-1344
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E3650 3/4IN PC 30 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
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.104 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: MATT
•
OUTSIDE DIAMETER: 1.238 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
ELONGATION PERCENTAGE331 MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.104 INCHES MINIMUM AND 1.124 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONMATT
OUTSIDE DIAMETER1.238 INCHES MINIMUM AND 1.270 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
NAS617-4Interchangeable
interchangeable cross-reference
interchangeable
S8316AB4Interchangeable
interchangeable cross-reference
interchangeable
AS568-904MIL-R-7362 TY1Interchangeable
interchangeable cross-reference
interchangeable
2-024 N219-7Interchangeable
interchangeable cross-reference
interchangeable
G140-1-78X28-30Interchangeable
interchangeable cross-reference
interchangeable
2-024 N219-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E3650 3/4IN PC 30?
E3650 3/4IN PC 30 is a E3650 3/4IN PC 30.
What parts can replace E3650 3/4IN PC 30?
There are 16 known substitutes for E3650 3/4IN PC 30: NAS617-4, S8316AB4, AS568-904MIL-R-7362 TY1 and 13 more. Substitute compatibility should be verified for your specific system.
Is E3650 3/4IN PC 30 still available?
E3650 3/4IN PC 30 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