PartsTable
Technical Data Sheet
JDL121 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, hole_diameter: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.53125 INCHES NOMINAL IN, style_designator: CIRCULAR, bolt_circle_diameter: 4.000 INCHES NOMINAL IN, special_test_features: SPECIAL QUALITY CONTROL TESTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-752-8635, 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
JDL121
NSN: 5330-00-752-8635
FSC: 5330
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
hole_diameter0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.53125 INCHES NOMINAL IN
style_designatorCIRCULAR
bolt_hole_quantity6
bolt_circle_diameter4.000 INCHES NOMINAL IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
NSN5330-00-752-8635
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JDL121 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
OUTSIDE DIAMETER: 4.53125 INCHES NOMINAL IN
MATERIAL: RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
CRITICALITY CODE JUSTIFICATION: ZZZY
BOLT HOLE QUANTITY: 6
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
SPECIAL TEST FEATURES: SPECIAL QUALITY CONTROL TESTING
HOLE DIAMETER: 0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER4.53125 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CRITICALITY CODE JUSTIFICATIONZZZY
BOLT HOLE QUANTITY6
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
SPECIAL TEST FEATURESSPECIAL QUALITY CONTROL TESTING
HOLE DIAMETER0.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TEST DATA DOCUMENT81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
BOLT CIRCLE DIAMETER4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5585Interchangeable
interchangeable cross-reference
interchangeable
039460000Interchangeable
interchangeable cross-reference
interchangeable
180-582Interchangeable
interchangeable cross-reference
interchangeable
7585Interchangeable
interchangeable cross-reference
interchangeable
9059Interchangeable
interchangeable cross-reference
interchangeable
222-32NH2-2223423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JDL121?
JDL121 is a GASKET.
What parts can replace JDL121?
There are 9 known substitutes for JDL121: 5585, 039460000, 180-582 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JDL121?
JDL121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-752-8635. This indicates validated use in U.S. government and defense supply chains.
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