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99139272 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

99139272: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM, cross-sectional_height: 5.3 MILLIMETERS MINIMUM AND 5.7 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-138-2484, 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
99139272
NSN: 5331-01-138-2484
FSC: 5331 — O-ring
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM
cross-sectional_height5.3 MILLIMETERS MINIMUM AND 5.7 MILLIMETERS MAXIMUM MM
NSN5331-01-138-2484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 99139272 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: 5.3 MILLIMETERS MINIMUM AND 5.7 MILLIMETERS MAXIMUM MM
•
CENTER HOLE DIAMETER: 49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT5.3 MILLIMETERS MINIMUM AND 5.7 MILLIMETERS MAXIMUM MM
CENTER HOLE DIAMETER49.2 MILLIMETERS MINIMUM AND 50.8 MILLIMETERS MAXIMUM MM
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
39272Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99139272?
99139272 is a O-RING.
What parts can replace 99139272?
There is 1 known substitute for 99139272: 39272. Substitute compatibility should be verified for your specific system.
What is the NSN for 99139272?
99139272 is cataloged in the U.S. Government catalog under NSN 5331-01-138-2484. This indicates validated use in U.S. government and defense supply chains.
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