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Technical Data Sheet
PartsTable / COMPONENT / G43B6A31
G43B6A31 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-197-9613, 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
G43B6A31
NSN: 5330-00-197-9613
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
Part NumberG43B6A31
NSN5330-00-197-9613
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: G43B6A31 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
90270Interchangeable
interchangeable cross-reference
interchangeable
RC42BF222KInterchangeable
interchangeable cross-reference
interchangeable
MILR11Interchangeable
interchangeable cross-reference
interchangeable
2770Interchangeable
interchangeable cross-reference
interchangeable
41420VInterchangeable
interchangeable cross-reference
interchangeable
4L770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G43B6A31?
G43B6A31 is a PACKING,PREFORMED.
What parts can replace G43B6A31?
There are 25 known substitutes for G43B6A31: 90270, RC42BF222K, MILR11 and 22 more. Substitute compatibility should be verified for your specific system.
Is G43B6A31 still available?
G43B6A31 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