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Technical Data Sheet
PartsTable / COMPONENT / 61A5A66-3
61A5A66-3 ✓ 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: 0.128 INCHES NOMINAL IN, material: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL, overall_width: 0.375 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.040 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-680-3669, 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
61A5A66-3
NSN: 5340-00-680-3669
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
diameter0.128 INCHES NOMINAL IN
materialPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
overall_width0.375 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.040 INCHES NOMINAL IN
loop_inside_diameter0.234 INCHES NOMINAL IN
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_loop_center_to_tongue_end0.563 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.407 INCHES NOMINAL IN
NSN5340-00-680-3669
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 61A5A66-3 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
•
STYLE DESIGNATOR: SINGLE LOOP
•
LOOP INSIDE DIAMETER: 0.234 INCHES NOMINAL IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.563 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
DIAMETER: 0.128 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSINGLE LOOP
LOOP INSIDE DIAMETER0.234 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
DISTANCE FROM LOOP CENTER TO TONGUE END0.563 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
DIAMETER0.128 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.407 INCHES NOMINAL IN
OVERALL WIDTH0.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3218FXInterchangeable
interchangeable cross-reference
interchangeable
JD691Interchangeable
interchangeable cross-reference
interchangeable
332-0017-000Interchangeable
interchangeable cross-reference
interchangeable
134053-003Interchangeable
Same NIIN cross-reference
interchangeable
8642640Interchangeable
Same NIIN cross-reference
interchangeable
103049-26Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61A5A66-3?
61A5A66-3 is a CLAMP,LOOP.
What parts can replace 61A5A66-3?
There are 6 known substitutes for 61A5A66-3: 3218FX, JD691, 332-0017-000 and 3 more. Substitute compatibility should be verified for your specific system.
Is 61A5A66-3 still available?
61A5A66-3 is currently cancelled.
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Last verified: July 2026