PartsTable
Technical Data Sheet
PartsTable / O-RING / 1793-248
1793-248 ✓ 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 BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN, center_hole_diameter: 4.719 INCHES MINIMUM AND 4.749 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-291-3268, 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
1793-248
NSN: 5331-00-291-3268
FSC: 5331 — O-RING
CAGE: 91265 — PARKER-HANNIFIN CORPORATION DIV O-RING DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
center_hole_diameter4.719 INCHES MINIMUM AND 4.749 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-291-3268
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1793-248 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 BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 4.719 INCHES MINIMUM AND 4.749 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER4.719 INCHES MINIMUM AND 4.749 INCHES MAXIMUM IN
OUTSIDE DIAMETER4.974 INCHES MINIMUM AND 5.050 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
04052573036357Interchangeable
interchangeable cross-reference
interchangeable
457-60-026Interchangeable
interchangeable cross-reference
interchangeable
AS29513Interchangeable
interchangeable cross-reference
interchangeable
GS570EM116Interchangeable
interchangeable cross-reference
interchangeable
116-C-69Interchangeable
interchangeable cross-reference
interchangeable
AF934-14Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1793-248?
1793-248 is a O-RING.
What parts can replace 1793-248?
There are 24 known substitutes for 1793-248: 04052573036357, 457-60-026, AS29513 and 21 more. Substitute compatibility should be verified for your specific system.
Is 1793-248 still available?
1793-248 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026