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4056145-8 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4056145-8: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-789-6647, 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
4056145-8
NSN: 5331-00-789-6647
FSC: 5331 — O-ring
CAGE: 6N299 — AGCO CORP PARTS OPN (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN5331-00-789-6647
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4056145-8 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 2
139051Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4056145Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 4056145-8?
4056145-8 is a O-RING.
What parts can replace 4056145-8?
There are 2 known substitutes for 4056145-8: 139051, 4056145. Substitute compatibility should be verified for your specific system.
What is the NSN for 4056145-8?
4056145-8 is cataloged in the U.S. Government catalog under NSN 5331-00-789-6647. This indicates validated use in U.S. government and defense supply chains.
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