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6138953-3 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6138953-3: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include outside_diameter: 2.395 INCHES NOMINAL IN, center_hole_diameter: 1.957 INCHES MINIMUM AND 1.993 INCHES MAXIMUM IN, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-261-2357, 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
6138953-3
NSN: 5331-01-261-2357
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
outside_diameter2.395 INCHES NOMINAL IN
center_hole_diameter1.957 INCHES MINIMUM AND 1.993 INCHES MAXIMUM IN
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-01-261-2357
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6138953-3 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: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.395 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.957 INCHES MINIMUM AND 1.993 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.395 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.957 INCHES MINIMUM AND 1.993 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
AS568-329Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568B-329Reference document
Same NSN cross-reference
Reference document — Secondary reference
D2000 GRADE M3BC714Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6138953-3?
6138953-3 is a O-RING.
What parts can replace 6138953-3?
There are 3 known substitutes for 6138953-3: AS568-329, AS568B-329, D2000 GRADE M3BC714. Substitute compatibility should be verified for your specific system.
What is the NSN for 6138953-3?
6138953-3 is cataloged in the U.S. Government catalog under NSN 5331-01-261-2357. This indicates validated use in U.S. government and defense supply chains.
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