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Technical Data Sheet
PartsTable / COMPONENT / E3709 PIECE 18
E3709 PIECE 18 ✓ 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 GASKET is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-143-6380, 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
E3709 PIECE 18
NSN: 5330-01-143-6380
FSC: 5330
CAGE: 59560 — TERRY CORP OF CONNECTICUT SUB OF INGERSOLL-RAND CO (USA)
SPECIFICATIONS
Part NumberE3709 PIECE 18
NSN5330-01-143-6380
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E3709 PIECE 18 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
4500-20V856PC32Interchangeable
interchangeable cross-reference
interchangeable
4400-28V1670PC29Interchangeable
interchangeable cross-reference
interchangeable
4500-20V567APC31Interchangeable
interchangeable cross-reference
interchangeable
BMC-12757Interchangeable
interchangeable cross-reference
interchangeable
1SE6076SUN40516Interchangeable
interchangeable cross-reference
interchangeable
1-SE-6076Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E3709 PIECE 18?
E3709 PIECE 18 is a GASKET.
What parts can replace E3709 PIECE 18?
There are 12 known substitutes for E3709 PIECE 18: 4500-20V856PC32, 4400-28V1670PC29, 4500-20V567APC31 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E3709 PIECE 18?
E3709 PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-143-6380. 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