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Technical Data Sheet
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3120-3 ✓ Verified by PartsTable
Melissa & Doug · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Three colorful floating tugboat toys accompany this soft 6-page bath book. Kids will love playing with their tiny tugboats as they read the story and learn to identify colors. Toys store in a mesh tube attached right to the waterproof book! This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-111-6480, 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
3120-3
NSN: 5330-00-111-6480
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) ALL THREADED PORTIONS
duty_typeCONTINUOUS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLID
coil_quantity1
overall_width0.688 INCHES NOMINAL IN
conductor_formSTRANDED ALL CONDUCTORS
overall_height0.688 INCHES NOMINAL IN
overall_length10.0 FEET FT
inside_diameter1.187 INCHES NOMINAL IN
outside_diameter1.545 INCHES NOMINAL IN
overall_diameter1.000 INCHES NOMINAL IN
NSN5330-00-111-6480
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3120-3 MFR: Melissa & Doug ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
3120-3Interchangeable
interchangeable cross-reference
interchangeable
TKLHPX32Interchangeable
interchangeable cross-reference
interchangeable
FT-16AEU3-LAA-1Interchangeable
interchangeable cross-reference
interchangeable
01962Interchangeable
interchangeable cross-reference
interchangeable
161RInterchangeable
interchangeable cross-reference
interchangeable
R1952Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3120-3?
3120-3 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Melissa & Doug.
What parts can replace 3120-3?
There are 15 known substitutes for 3120-3: 3120-3, TKLHPX32, FT-16AEU3-LAA-1 and 12 more. Substitute compatibility should be verified for your specific system.
Is 3120-3 still available?
3120-3 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