PartsTable
Technical Data Sheet
PartsTable / O-RING / 26316026-04
26316026-04 ✓ 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, temp_rating: -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, center_hole_diameter: 0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 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 5331-00-446-4580, 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
26316026-04
NSN: 5331-00-446-4580
FSC: 5331 — O-RING
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialRUBBER
temp_rating-175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
center_hole_diameter0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
NSN5331-00-446-4580
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26316026-04 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
•
MATERIAL: RUBBER
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
•
TEMP RATING: -175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.170 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.305 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
TEMP RATING-175.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
J200AC8Interchangeable
interchangeable cross-reference
interchangeable
2-008C147-7Interchangeable
interchangeable cross-reference
interchangeable
AS568-008Interchangeable
interchangeable cross-reference
interchangeable
123552-001Interchangeable
interchangeable cross-reference
interchangeable
ARP568-008Interchangeable
interchangeable cross-reference
interchangeable
8317-5079-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26316026-04?
26316026-04 is a O-RING.
What parts can replace 26316026-04?
There are 7 known substitutes for 26316026-04: J200AC8, 2-008C147-7, AS568-008 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26316026-04?
26316026-04 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-446-4580. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026