PartsTable
Technical Data Sheet
PartsTable / O-RING / 946.91.27.895
946.91.27.895 ✓ 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 946.91.27.895 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 5331-01-063-6433, 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
946.91.27.895
NSN: 5331-01-063-6433
FSC: 5331 — O-RING
CAGE: S4080 — PILATUS AIRCRAFT LTD (CHE)
SPECIFICATIONS
Part Number946.91.27.895
NSN5331-01-063-6433
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 946.91.27.895 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
•
TEMP RATING: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.568 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.356 INCHES MINIMUM AND 1.368 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
ELONGATION PERCENTAGE: 125 MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER1.568 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.356 INCHES MINIMUM AND 1.368 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
ELONGATION PERCENTAGE125 MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
M83248/1-126Interchangeable
interchangeable cross-reference
interchangeable
ARP568-126MILR8 3248TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
576C384P126Interchangeable
interchangeable cross-reference
interchangeable
5331PL0140399Interchangeable
Same NIIN cross-reference
interchangeable
ST3001-126Interchangeable
Same NIIN cross-reference
interchangeable
AS3209-126Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 946.91.27.895?
946.91.27.895 is a 946.91.27.895.
What parts can replace 946.91.27.895?
There are 10 known substitutes for 946.91.27.895: M83248/1-126, ARP568-126MILR8 3248TY1CL1, 576C384P126 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 946.91.27.895?
946.91.27.895 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-063-6433. 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