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Technical Data Sheet
PartsTable / COMPONENT / 43-03-9
43-03-9 ✓ Verified by PartsTable
InLine · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

This practical and convenient set of insulating mastic rolls is resistant to abrasion by UV rays, weather, solvents, and alkaline acids. Ideal for electrical applications, it is useful for various types of work and/or maintenance in electronics, IT, telecommunications, hobbies and more.<br><br>Insulating tape: This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-290-7879, 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
43-03-9
NSN: 5330-00-290-7879
FSC: 5330
CAGE: 97907 — TEREX CORP (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
bit_quantity2048
overall_width1.250 INCHES NOMINAL IN
overall_height0.002 INCHES NOMINAL IN
overall_length1.730 INCHES NOMINAL IN
first_end_radius0.272 INCHES NOMINAL IN
outside_diameter3.728 INCHES NOMINAL IN
style_designatorFLAT, DIAMOND
aperture_diameter3.219 INCHES NOMINAL IN
features_providedMONOLITHIC AND PROGRAMMABLE AND 3-STATE OUTPUT
first_side_radius0.625 INCHES NOMINAL IN
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
NSN5330-00-290-7879
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 43-03-9 MFR: InLine ⚠ 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
•
APERTURE DIAMETER: 3.219 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 3.728 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER3.219 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
OUTSIDE DIAMETER3.728 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORCIRCULAR
MATERIALASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
50290-157Interchangeable
interchangeable cross-reference
interchangeable
G5-4-1Interchangeable
interchangeable cross-reference
interchangeable
50382PC57Interchangeable
interchangeable cross-reference
interchangeable
MIL-M-38527/8Interchangeable
interchangeable cross-reference
interchangeable
10209-9Interchangeable
interchangeable cross-reference
interchangeable
325006-47Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 43-03-9?
43-03-9 is a MICROCIRCUIT,DIGITAL manufactured by InLine.
What parts can replace 43-03-9?
There are 16 known substitutes for 43-03-9: 50290-157, G5-4-1, 50382PC57 and 13 more. Substitute compatibility should be verified for your specific system.
Is 43-03-9 still available?
43-03-9 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026