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Technical Data Sheet
17B6D1390-503 ✓ 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: ALUMINUM ALLOY 6061 RETAINER, case_style: SQUARE, seal_width: 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, attachment_method: ROUND HOLE, attachment_hole_diameter: 0.323 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, accommodated_shaft_diameter: 2.341 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 5330-01-425-0012, 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
17B6D1390-503
NSN: 5330-01-425-0012
FSC: 5330
CAGE: 88277 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 RETAINER
case_styleSQUARE
seal_width0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
attachment_methodROUND HOLE
attachment_hole_diameter0.323 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
accommodated_shaft_diameter2.341 INCHES NOMINAL IN
attachment_feature_quantity6
material_document_and_classificationMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
NSN5330-01-425-0012
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 17B6D1390-503 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: 0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
CASE STYLE: SQUARE
ATTACHMENT METHOD: ROUND HOLE
ATTACHMENT FEATURE QUANTITY: 6
ACCOMMODATED SHAFT DIAMETER: 2.341 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
ATTACHMENT HOLE DIAMETER: 0.323 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ SEALING ELEMENT
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.086 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
CASE STYLESQUARE
ATTACHMENT METHODROUND HOLE
ATTACHMENT FEATURE QUANTITY6
ACCOMMODATED SHAFT DIAMETER2.341 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
ATTACHMENT HOLE DIAMETER0.323 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ SEALING ELEMENT
MATERIALALUMINUM ALLOY 6061 RETAINER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
870374Interchangeable
interchangeable cross-reference
interchangeable
0L330Interchangeable
interchangeable cross-reference
interchangeable
330Interchangeable
interchangeable cross-reference
interchangeable
924-90211-203Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17B6D1390-503?
17B6D1390-503 is a SEAL,PLAIN ENCASED.
What parts can replace 17B6D1390-503?
There are 4 known substitutes for 17B6D1390-503: 870374, 0L330, 330 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 17B6D1390-503?
17B6D1390-503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-425-0012. This indicates validated use in U.S. government and defense supply chains.
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