PartsTable
Technical Data Sheet
A17438 ✓ 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 A17438 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-296-2898, 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
A17438
NSN: 5330-00-296-2898
FSC: 5330
CAGE: 16583 — GH BETTIS A GALVESTON-HOUSTON CO (USA)
SPECIFICATIONS
Part NumberA17438
NSN5330-00-296-2898
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A17438 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 21
1151-16-0519Interchangeable
interchangeable cross-reference
interchangeable
011-001623-003Interchangeable
interchangeable cross-reference
interchangeable
571-4027-03-05-19Interchangeable
interchangeable cross-reference
interchangeable
250040-068Interchangeable
interchangeable cross-reference
interchangeable
40273Interchangeable
interchangeable cross-reference
interchangeable
60022Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A17438?
A17438 is a A17438.
What parts can replace A17438?
There are 21 known substitutes for A17438: 1151-16-0519, 011-001623-003, 571-4027-03-05-19 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A17438?
A17438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-296-2898. This indicates validated use in U.S. government and defense supply chains.
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