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PartsTable / COMPONENT / A49963
A49963 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include cut_type: DIAGONAL OVERALL, material: RUBBER OVERALL, peripheral_diameter: 0.580 INCHES NOMINAL IN, center_hole_diameter: 0.380 INCHES NOMINAL IN, fsc_application_data: ENGINE,AIRCRAFT,RECIPROCATING, cross-sectional_height: 0.120 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-527-7764, 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
A49963
NSN: 5330-00-527-7764
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
cut_typeDIAGONAL OVERALL
materialRUBBER OVERALL
peripheral_diameter0.580 INCHES NOMINAL IN
center_hole_diameter0.380 INCHES NOMINAL IN
fsc_application_dataENGINE,AIRCRAFT,RECIPROCATING
cross-sectional_height0.120 INCHES NOMINAL IN
cross-sectional_shape_styleOVAL
NSN5330-00-527-7764
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A49963 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
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 0.580 INCHES NOMINAL IN
•
FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
•
CENTER HOLE DIAMETER: 0.380 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: OVAL
•
MATERIAL: RUBBER OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.120 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER0.580 INCHES NOMINAL IN
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
CENTER HOLE DIAMETER0.380 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEOVAL
MATERIALRUBBER OVERALL
CROSS-SECTIONAL HEIGHT0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
49963Interchangeable
interchangeable cross-reference
interchangeable
PS48808-58Interchangeable
interchangeable cross-reference
interchangeable
3250003-001Interchangeable
interchangeable cross-reference
interchangeable
49881 PIECE 30Interchangeable
interchangeable cross-reference
interchangeable
49963CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A49963?
A49963 is a PACKING,PREFORMED.
What parts can replace A49963?
There are 5 known substitutes for A49963: 49963, PS48808-58, 3250003-001 and 2 more. Substitute compatibility should be verified for your specific system.
Is A49963 still available?
A49963 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026