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Technical Data Sheet
PartsTable / COMPONENT / 610664
610664 ✓ 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 INSERT,FLEXIBLE COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: LAMINATED CONSTRUCTION FEATURE-INCL.;BORE DIA 3.340 IN. IN, style_designator: MULTIPLE HOLES, ROUND BORE, overall_thickness: 0.156 INCHES NOMINAL IN, bolt_hole_diameter: 0.328 INCHES NOMINAL IN, bolt_circle_diameter: 4.188 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-9639, 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
610664
NSN: 5330-00-291-9639
FSC: 5330
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialSTEEL
special_featuresLAMINATED CONSTRUCTION FEATURE-INCL.;BORE DIA 3.340 IN. IN
style_designatorMULTIPLE HOLES, ROUND BORE
overall_thickness0.156 INCHES NOMINAL IN
bolt_hole_diameter0.328 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter4.188 INCHES NOMINAL IN
overall_outside_diameter5.040 INCHES NOMINAL IN
NSN5330-00-291-9639
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 610664 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
•
ACCOMMODATED SHAFT DIAMETER: 1.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
MATERIAL: STEEL CASE
•
HOUSING BORE DIAMETER: 2.000 INCHES NOMINAL IN
•
SEAL WIDTH: 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER1.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER2.000 INCHES NOMINAL IN
SEAL WIDTH0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
55-22034Interchangeable
interchangeable cross-reference
interchangeable
EAP240319Interchangeable
interchangeable cross-reference
interchangeable
240319Interchangeable
interchangeable cross-reference
interchangeable
1135-33AND1135-43Interchangeable
interchangeable cross-reference
interchangeable
125-26Interchangeable
interchangeable cross-reference
interchangeable
460-5-115AND125-4-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 610664?
610664 is a INSERT,FLEXIBLE COUPLING.
What parts can replace 610664?
There are 25 known substitutes for 610664: 55-22034, EAP240319, 240319 and 22 more. Substitute compatibility should be verified for your specific system.
Is 610664 still available?
610664 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026