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Technical Data Sheet
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EC-6 ✓ 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

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include diameter: 0.203 INCHES NOMINAL IN, material: PLASTIC BAND, overall_width: 0.500 INCHES NOMINAL IN, special_features: COLOR RED, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-272-3548, 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
EC-6
NSN: 5340-00-272-3548
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.203 INCHES NOMINAL IN
materialPLASTIC BAND
overall_width0.500 INCHES NOMINAL IN
special_featuresCOLOR RED
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.063 INCHES NOMINAL IN
loop_inside_diameter0.375 INCHES NOMINAL IN
length_under_shoulder0.380 INCHES NOMINAL IN
end_item_identificationAIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, STRATOFORTR
open_end_inside_diameter0.369 INCHES NOMINAL IN
closed_end_overall_diameter0.620 INCHES NOMINAL IN
NSN5340-00-272-3548
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: EC-6 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
•
LENGTH UNDER SHOULDER: 0.380 INCHES NOMINAL IN
•
CLOSED END OVERALL DIAMETER: 0.620 INCHES NOMINAL IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
OPEN END INSIDE DIAMETER: 0.369 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONAIRCRAFT, (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, STRATOFORTR
LENGTH UNDER SHOULDER0.380 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR RED
CLOSED END OVERALL DIAMETER0.620 INCHES NOMINAL IN
MATERIALPLASTIC, POLYETHYLENE (PP)
OPEN END INSIDE DIAMETER0.369 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
EC6Upgraded Successor
successor cross-reference
successor
742-6Upgraded Successor
successor cross-reference
successor
115-9-6Upgraded Successor
successor cross-reference
successor
048645Interchangeable
interchangeable cross-reference
interchangeable
48645Interchangeable
interchangeable cross-reference
interchangeable
SD48645Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EC-6?
EC-6 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace EC-6?
There are 9 known substitutes for EC-6: EC6, 742-6, 115-9-6 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EC-6?
EC-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-272-3548. 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