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Technical Data Sheet
PartsTable / COMPONENT / E37933-188PC9
E37933-188PC9 ✓ 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: CELLULOSE OVERALL, hole_diameter: 2.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN, overall_length: 3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN, style_designator: NON-CIRCULAR, aperture_diameter: 1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM 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 5330-00-252-3608, 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
E37933-188PC9
NSN: 5330-00-252-3608
FSC: 5330
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter2.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN
overall_length3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN
style_designatorNON-CIRCULAR
aperture_diameter1.605 INCHES MINIMUM AND 1.645 INCHES MAXIMUM IN
bolt_hole_quantity4
outside_corner_radius0.438 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationMIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.375 INCHES NOMINAL IN
NSN5330-00-252-3608
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: E37933-188PC9 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
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
HOLE DIAMETER: 2.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT HOLE QUANTITY: 4
•
MATERIAL: CELLULOSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH: 2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
HOLE DIAMETER2.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT HOLE QUANTITY4
OVERALL LENGTH3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN
MATERIALCELLULOSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH3.109 INCHES MINIMUM AND 3.141 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.359 INCHES MINIMUM AND 2.391 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH0.375 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
18303Interchangeable
interchangeable cross-reference
interchangeable
550-13Interchangeable
interchangeable cross-reference
interchangeable
805634Interchangeable
interchangeable cross-reference
interchangeable
36336Interchangeable
interchangeable cross-reference
interchangeable
290314PC9Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E37933-188PC9?
E37933-188PC9 is a GASKET.
What parts can replace E37933-188PC9?
There are 5 known substitutes for E37933-188PC9: 18303, 550-13, 805634 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E37933-188PC9?
E37933-188PC9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-252-3608. 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