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79428 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

79428: 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: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN, part_name_assigned_by_controlling_agency: PACKING,PREFORMED. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-141-7772, 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
79428
NSN: 5331-00-141-7772
FSC: 5331 — O-ring
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
cross-sectional_height0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyPACKING,PREFORMED
NSN5331-00-141-7772
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 79428 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: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING,PREFORMED
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
71163Reference 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 79428?
79428 is a O-RING.
What parts can replace 79428?
There is 1 known substitute for 79428: 71163. Substitute compatibility should be verified for your specific system.
What is the NSN for 79428?
79428 is cataloged in the U.S. Government catalog under NSN 5331-00-141-7772. This indicates validated use in U.S. government and defense supply chains.
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