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Technical Data Sheet
PartsTable / COMPONENT / 1366J3
1366J3 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, material: STEEL COMP 1010 OVERALL, loop_width: 0.812 INCHES NOMINAL IN, loop_length: 1.624 INCHES NOMINAL IN, overall_width: 0.656 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN, style_designator: MULTIPLE LOOP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-099-7880, 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
1366J3
NSN: 5340-01-099-7880
FSC: 5340
CAGE: 70797 — ARCO INDUSTRIES CORP (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
materialSTEEL COMP 1010 OVERALL
loop_width0.812 INCHES NOMINAL IN
loop_length1.624 INCHES NOMINAL IN
overall_width0.656 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
style_designatorMULTIPLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentPLASTIC VINYL OVERALL
material_thickness0.054 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end1.313 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.740 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
NSN5340-01-099-7880
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1366J3 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
•
LOOP WIDTH: 0.812 INCHES NOMINAL IN
•
LOOP LENGTH: 1.624 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.313 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.054 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PLASTIC VINYL OVERALL
•
STYLE DESIGNATOR: MULTIPLE LOOP
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
LOOP WIDTH0.812 INCHES NOMINAL IN
LOOP LENGTH1.624 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.313 INCHES NOMINAL IN
OVERALL WIDTH0.656 INCHES MINIMUM AND 0.844 INCHES MAXIMUM IN
MATERIAL THICKNESS0.054 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
SURFACE TREATMENTPLASTIC VINYL OVERALL
STYLE DESIGNATORMULTIPLE LOOP
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.406 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
78029Interchangeable
interchangeable cross-reference
interchangeable
129684Interchangeable
interchangeable cross-reference
interchangeable
40XLInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1366J3?
1366J3 is a CLAMP,LOOP.
What parts can replace 1366J3?
There are 3 known substitutes for 1366J3: 78029, 129684, 40XL. Substitute compatibility should be verified for your specific system.
What is the NSN for 1366J3?
1366J3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-099-7880. 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