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Technical Data Sheet
730578-5 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SEAL RING,METAL is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, ring_style: CONTRACTING CONCENTRIC, joint_style: DIAGONAL JOINT, overall_width: 0.0900 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN, inside_diameter: 4.144 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN, radial_wall_thickness: 0.2900 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-006-1872, 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
730578-5
NSN: 5330-01-006-1872
FSC: 5330
CAGE: 75370 — KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
ring_styleCONTRACTING CONCENTRIC
joint_styleDIAGONAL JOINT
overall_width0.0900 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
inside_diameter4.144 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN
radial_wall_thickness0.2900 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5330-01-006-1872
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 730578-5 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
MATERIAL: NICKEL ALLOY OVERALL
RING STYLE: CONTRACTING CONCENTRIC
INSIDE DIAMETER: 4.144 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN
JOINT STYLE: DIAGONAL JOINT
RADIAL WALL THICKNESS: 0.2900 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY OVERALL
RING STYLECONTRACTING CONCENTRIC
INSIDE DIAMETER4.144 INCHES MINIMUM AND 4.187 INCHES MAXIMUM IN
JOINT STYLEDIAGONAL JOINT
OVERALL WIDTH0.0900 INCHES MINIMUM AND 0.1910 INCHES MAXIMUM IN
RADIAL WALL THICKNESS0.2900 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
A-A-1393Interchangeable
interchangeable cross-reference
interchangeable
LSV723Interchangeable
interchangeable cross-reference
interchangeable
B107.1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 730578-5?
730578-5 is a SEAL RING,METAL.
What parts can replace 730578-5?
There are 3 known substitutes for 730578-5: A-A-1393, LSV723, B107.1. Substitute compatibility should be verified for your specific system.
What is the NSN for 730578-5?
730578-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-006-1872. This indicates validated use in U.S. government and defense supply chains.
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