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Technical Data Sheet
5340PL1879681 ✓ 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: 0.688 INCHES NOMINAL IN, features_provided: SHOULDER, thread_size_and_series/type_designator: 1/2-20 UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-597-9446, 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
5340PL1879681
NSN: 5340-00-597-9446
FSC: 5340
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialALUMINUM
drive_typeSERRATED
design_typeTHREADED
overall_diameter0.688 INCHES NOMINAL IN
features_providedSHOULDER
thread_size_and_series/type_designator1/2-20 UNF
NSN5340-00-597-9446
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340PL1879681 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
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1/2-20 UNF
OVERALL DIAMETER: 0.688 INCHES NOMINAL IN
MATERIAL: ALUMINUM
DRIVE TYPE: SERRATED
FEATURES PROVIDED: SHOULDER
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SIZE AND SERIES/TYPE DESIGNATOR1/2-20 UNF
OVERALL DIAMETER0.688 INCHES NOMINAL IN
MATERIALALUMINUM
DRIVE TYPESERRATED
FEATURES PROVIDEDSHOULDER
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SP5Upgraded Successor
successor cross-reference
successor
75(MOD)Upgraded Successor
successor cross-reference
successor
P5Upgraded Successor
successor cross-reference
successor
106065E01Upgraded Successor
successor cross-reference
successor
S2552-17Interchangeable
interchangeable cross-reference
interchangeable
FS5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5340PL1879681?
5340PL1879681 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 5340PL1879681?
There are 12 known substitutes for 5340PL1879681: SP5, 75(MOD), P5 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5340PL1879681?
5340PL1879681 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-597-9446. This indicates validated use in U.S. government and defense supply chains.
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