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Technical Data Sheet
417518 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, housing_bore_diameter: 6.126 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 4.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-306-4870, 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
417518
NSN: 5330-01-306-4870
FSC: 5330
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.500 INCHES NOMINAL IN
housing_bore_diameter6.126 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter4.250 INCHES NOMINAL IN
material_document_and_classificationSYNTECH,CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
NSN5330-01-306-4870
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 417518 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
SEAL WIDTH: 0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER: 4.250 INCHES NOMINAL IN
MATERIAL: STEEL CORROSION RESISTING SPRING
CASE STYLE: SQUARE
MATERIAL DOCUMENT AND CLASSIFICATION: SYNTECH,CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
SEALING ELEMENT STYLE: VERTICAL
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER4.250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SPRING
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
CASE STYLESQUARE
MATERIALSTEEL CASE
MATERIAL DOCUMENT AND CLASSIFICATIONSYNTECH,CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT A
SEALING ELEMENT STYLEVERTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONSYNTECH,CAGEC 01212 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT B
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
0202885Interchangeable
interchangeable cross-reference
interchangeable
MS35298-78Interchangeable
interchangeable cross-reference
interchangeable
202885Interchangeable
interchangeable cross-reference
interchangeable
202884Interchangeable
interchangeable cross-reference
interchangeable
07-202884Interchangeable
interchangeable cross-reference
interchangeable
202890Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 417518?
417518 is a SEAL,PLAIN ENCASED.
What parts can replace 417518?
There are 12 known substitutes for 417518: 0202885, MS35298-78, 202885 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 417518?
417518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-306-4870. This indicates validated use in U.S. government and defense supply chains.
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