PartsTable
Technical Data Sheet
PartsTable / O-RING / 946.91.26.234
946.91.26.234 ✓ 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 946.91.26.234 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-188-9651, 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
946.91.26.234
NSN: 5331-01-188-9651
FSC: 5331 — O-RING
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
Part Number946.91.26.234
NSN5331-01-188-9651
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 946.91.26.234 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: ADYT
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
ELONGATION PERCENTAGE: 160 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONADYT
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
ELONGATION PERCENTAGE160 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
807002-95Interchangeable
interchangeable cross-reference
interchangeable
75,79X3,53-24B7Interchangeable
interchangeable cross-reference
interchangeable
40-4V300Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS28775Interchangeable
Same NIIN cross-reference
interchangeable
MS28775-234Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 946.91.26.234?
946.91.26.234 is a 946.91.26.234.
What parts can replace 946.91.26.234?
There are 5 known substitutes for 946.91.26.234: 807002-95, 75,79X3,53-24B7, 40-4V300 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 946.91.26.234?
946.91.26.234 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-188-9651. 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