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PartsTable / COMPONENT / 5340PL1879685
5340PL1879685 ✓ 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

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: ALUMINUM, drive_type: SERRATED, design_type: THREADED, overall_diameter: 0.675 INCHES NOMINAL IN, thread_size_and_series/type_designator: 3/8-18 NPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-526-1690, 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
5340PL1879685
NSN: 5340-00-526-1690
FSC: 5340
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialALUMINUM
drive_typeSERRATED
design_typeTHREADED
overall_diameter0.675 INCHES NOMINAL IN
thread_size_and_series/type_designator3/8-18 NPT
NSN5340-00-526-1690
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340PL1879685 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
•
DRIVE TYPE: SERRATED
•
DESIGN TYPE: THREADED
•
OVERALL DIAMETER: 0.675 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-18 NPT
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE TYPESERRATED
DESIGN TYPETHREADED
OVERALL DIAMETER0.675 INCHES NOMINAL IN
MATERIALALUMINUM
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-18 NPT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
182543Interchangeable
interchangeable cross-reference
interchangeable
560PA4183Interchangeable
interchangeable cross-reference
interchangeable
2534Interchangeable
interchangeable cross-reference
interchangeable
560C1-0201Interchangeable
interchangeable cross-reference
interchangeable
MILR55182-6Interchangeable
interchangeable cross-reference
interchangeable
4705-182543Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5340PL1879685?
5340PL1879685 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 5340PL1879685?
There are 9 known substitutes for 5340PL1879685: 182543, 560PA4183, 2534 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5340PL1879685?
5340PL1879685 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-526-1690. 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