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Technical Data Sheet
PartsTable / O-RING / 5-27926PC33
5-27926PC33 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR, outside_diameter: 9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN, center_hole_diameter: 9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 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 5331-00-821-1759, 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
5-27926PC33
NSN: 5331-00-821-1759
FSC: 5331 — O-RING
CAGE: 09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
materialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
outside_diameter9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN
center_hole_diameter9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5331-00-821-1759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5-27926PC33 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
•
CENTER HOLE DIAMETER: 9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER9.420 INCHES MINIMUM AND 9.530 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER9.958 INCHES MINIMUM AND 10.092 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
184914Interchangeable
interchangeable cross-reference
interchangeable
10173033Interchangeable
interchangeable cross-reference
interchangeable
15620Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5-27926PC33?
5-27926PC33 is a O-RING.
What parts can replace 5-27926PC33?
There are 3 known substitutes for 5-27926PC33: 184914, 10173033, 15620. Substitute compatibility should be verified for your specific system.
What is the NSN for 5-27926PC33?
5-27926PC33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-821-1759. 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