L0449 3-903 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

L0449 3-903: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, center_hole_diameter: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-143-6604, 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

L0449 3-903

NSN: 5331-01-143-6604
FSC: 5331 — O-ring
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)

SPECIFICATIONS

material	RUBBER SILICONE CLASS Q
center_hole_diameter	0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
elongation_percentage	125 MAXIMUM
cross-sectional_height	0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
NSN	5331-01-143-6604

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL HEIGHT: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN

•

ELONGATION PERCENTAGE: 125 MAXIMUM

•

CENTER HOLE DIAMETER: 0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN

•

MATERIAL: RUBBER SILICONE CLASS Q

TECHNICAL CHARACTERISTICS

CROSS-SECTIONAL HEIGHT	0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
ELONGATION PERCENTAGE	125 MAXIMUM
CENTER HOLE DIAMETER	0.052 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
MATERIAL	RUBBER SILICONE CLASS Q

OTHER ITEMS IN FSC 5331 — O-ring

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924

SUBSTITUTES & CROSS-REFERENCES 3

287-6008P131Reference document

Same NSN cross-reference

Reference document — Secondary reference

2-003L449-65Reference document

Same NSN cross-reference

Reference document — Secondary reference

3-003L449-65Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is L0449 3-903?

L0449 3-903 is a O-RING.

What parts can replace L0449 3-903?

There are 3 known substitutes for L0449 3-903: 287-6008P131, 2-003L449-65, 3-003L449-65. Substitute compatibility should be verified for your specific system.

What is the NSN for L0449 3-903?

L0449 3-903 is cataloged in the U.S. Government catalog under NSN 5331-01-143-6604. This indicates validated use in U.S. government and defense supply chains.

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