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4963AP — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4963AP: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, special_features: INSIDE DIA. 38.34 MM, OUTSIDE 44.58 MM MM, center_hole_diameter: 1.549 INCHES NOMINAL IN, cross-sectional_height: 0.103 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5331-01-507-0288, 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
4963AP
NSN: 5331-01-507-0288
FSC: 5331 — O-ring
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
special_featuresINSIDE DIA. 38.34 MM, OUTSIDE 44.58 MM MM
center_hole_diameter1.549 INCHES NOMINAL IN
cross-sectional_height0.103 INCHES NOMINAL IN
NSN5331-01-507-0288
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4963AP 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: 0.103 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.549 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.103 INCHES NOMINAL IN
SPECIAL FEATURESINSIDE DIA. 38.34 MM, OUTSIDE 44.58 MM MM
CENTER HOLE DIAMETER1.549 INCHES NOMINAL IN
MATERIALRUBBER FLUOROCARBON CLASS FPM
SUBSTITUTES & CROSS-REFERENCES 1
PM4963APSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4963AP?
4963AP is a O-RING.
What parts can replace 4963AP?
There is 1 known substitute for 4963AP: PM4963AP. Substitute compatibility should be verified for your specific system.
What is the NSN for 4963AP?
4963AP is cataloged in the U.S. Government catalog under NSN 5331-01-507-0288. This indicates validated use in U.S. government and defense supply chains.
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