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Technical Data Sheet
PartsTable / COMPONENT / 81831S4105-552742PC38
81831S4105-552742PC38 ✓ 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 material: RUBBER OVERALL, peripheral_diameter: 1.484 INCHES NOMINAL IN, center_hole_diameter: 0.781 INCHES NOMINAL IN, cross-sectional_height: 0.750 INCHES NOMINAL IN, cross-sectional_shape_style: FLANGE, flanged_body_outside_diameter: 1.156 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-9437, 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
81831S4105-552742PC38
NSN: 5330-00-290-9437
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialRUBBER OVERALL
peripheral_diameter1.484 INCHES NOMINAL IN
center_hole_diameter0.781 INCHES NOMINAL IN
cross-sectional_height0.750 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGE
flanged_body_outside_diameter1.156 INCHES NOMINAL IN
NSN5330-00-290-9437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81831S4105-552742PC38 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: 0.750 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: FLANGE
•
FLANGED BODY OUTSIDE DIAMETER: 1.156 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
CENTER HOLE DIAMETER: 0.781 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 1.484 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.750 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGE
FLANGED BODY OUTSIDE DIAMETER1.156 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
CENTER HOLE DIAMETER0.781 INCHES NOMINAL IN
PERIPHERAL DIAMETER1.484 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5203-013Interchangeable
interchangeable cross-reference
interchangeable
5203-13Interchangeable
interchangeable cross-reference
interchangeable
1N961Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81831S4105-552742PC38?
81831S4105-552742PC38 is a PACKING,PREFORMED.
What parts can replace 81831S4105-552742PC38?
There are 3 known substitutes for 81831S4105-552742PC38: 5203-013, 5203-13, 1N961. Substitute compatibility should be verified for your specific system.
Is 81831S4105-552742PC38 still available?
81831S4105-552742PC38 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