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Technical Data Sheet
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4239 ✓ 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

What's sweeter than 100 delicious desserts? 100 desserts with 500 candy, fruit and frosting toppings! With this tantalizing sticker pad, kids can run their own illustrated bake shop and decorate cupcakes, cookies, cakes and other sweets on 16 colorful background pages. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-077-2553, 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
4239
NSN: 5330-00-077-2553
FSC: 5330
CAGE: 91251 — FREUDENBERG-NOK GENERAL PARTNERSHIP DBA FREDENBERG-NOK SEALS DIVISION (USA)
SPECIFICATIONS
colorWHITE
materialSTEEL OVERALL
body_styleCHASSIS TYPE
case_styleSQUARE
seal_width0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
bore_diameter1.7500 INCHES NOMINAL IN
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.2500 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
alignment_typeRIGID
overall_height0.687 INCHES NOMINAL IN
overall_length1.344 INCHES NOMINAL IN
NSN5330-00-077-2553
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4239 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
KEY FEATURES
•
SEALING ELEMENT STYLE: ANGULAR
•
SEAL WIDTH: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
•
MATERIAL: STEEL CASE
•
CASE STYLE: SQUARE
•
HOUSING BORE DIAMETER: 1.132 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT DIAMETER: 0.495 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
MATERIALSTEEL CASE
CASE STYLESQUARE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
HOUSING BORE DIAMETER1.132 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN
ACCOMMODATED SHAFT DIAMETER0.495 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
18D212Interchangeable
interchangeable cross-reference
interchangeable
P11686Interchangeable
interchangeable cross-reference
interchangeable
IS132Interchangeable
interchangeable cross-reference
interchangeable
WAUG409Interchangeable
interchangeable cross-reference
interchangeable
4004239Interchangeable
interchangeable cross-reference
interchangeable
M2437Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4239?
4239 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Melissa & Doug.
What parts can replace 4239?
There are 15 known substitutes for 4239: 18D212, P11686, IS132 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4239?
4239 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-077-2553. 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