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32A518 ✓ 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

SEAL,NONMETALLIC SPECIAL SHAPED. Key specifications include material: COTTON OVERALL, construction: SOLID, style_designator: CIRCULAR, aperture_diameter: 19.188 INCHES NOMINAL IN, attachment_method: ROUND HOLE, cross-sectional_width: 1.500 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 5330-00-815-9325, 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
32A518
NSN: 5330-00-815-9325
FSC: 5330
CAGE: 12793 — AQUA-CHEM INC CLEAVER-BROOKS DIV (USA)
SPECIFICATIONS
materialCOTTON OVERALL
constructionSOLID
style_designatorCIRCULAR
aperture_diameter19.188 INCHES NOMINAL IN
attachment_methodROUND HOLE
cross-sectional_width1.500 INCHES NOMINAL IN
cross-sectional_height0.500 INCHES NOMINAL IN
attachment_hole_diameter0.562 INCHES NOMINAL IN
attachment_feature_quantity8
attachment_feature_circle_diameter20.750 INCHES NOMINAL SINGLE CIRCLE IN
NSN5330-00-815-9325
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 32A518 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 HEIGHT: 0.500 INCHES NOMINAL IN
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 20.750 INCHES NOMINAL SINGLE CIRCLE IN
•
APERTURE DIAMETER: 19.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 1.500 INCHES NOMINAL IN
•
ATTACHMENT HOLE DIAMETER: 0.562 INCHES NOMINAL IN
•
MATERIAL: COTTON OVERALL
•
ATTACHMENT METHOD: ROUND HOLE
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
ATTACHMENT FEATURE CIRCLE DIAMETER20.750 INCHES NOMINAL SINGLE CIRCLE IN
APERTURE DIAMETER19.188 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH1.500 INCHES NOMINAL IN
ATTACHMENT HOLE DIAMETER0.562 INCHES NOMINAL IN
MATERIALCOTTON OVERALL
ATTACHMENT METHODROUND HOLE
CONSTRUCTIONSOLID
ATTACHMENT FEATURE QUANTITY8
STYLE DESIGNATORCIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
5190946Interchangeable
interchangeable cross-reference
interchangeable
17994Interchangeable
interchangeable cross-reference
interchangeable
11438294-8Interchangeable
interchangeable cross-reference
interchangeable
3251-8Interchangeable
interchangeable cross-reference
interchangeable
325018Interchangeable
interchangeable cross-reference
interchangeable
20658Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32A518?
32A518 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 32A518?
There are 7 known substitutes for 32A518: 5190946, 17994, 11438294-8 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 32A518?
32A518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-815-9325. 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