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Technical Data Sheet
PartsTable / COMPONENT / LAH34.558
LAH34.558 ✓ 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 LAH34.558 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 5340-01-371-2434, 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
LAH34.558
NSN: 5340-01-371-2434
FSC: 5340
CAGE: 0KAL0 — LIEBIG INTERNATIONAL INC (USA)
SPECIFICATIONS
Part NumberLAH34.558
NSN5340-01-371-2434
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LAH34.558 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
•
INSERT TYPE FOR WHICH DESIGNED: BOLT
•
HOLE ACCOMMODATION DIAMETER: 18.0 MILLIMETERS NOMINAL MM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
INSERT TYPE FOR WHICH DESIGNEDBOLT
HOLE ACCOMMODATION DIAMETER18.0 MILLIMETERS NOMINAL MM
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6954Upgraded Successor
successor cross-reference
successor
51078Interchangeable
interchangeable cross-reference
interchangeable
15250Interchangeable
interchangeable cross-reference
interchangeable
A-A-1923Interchangeable
interchangeable cross-reference
interchangeable
FFS325Interchangeable
interchangeable cross-reference
interchangeable
AA1923-304Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LAH34.558?
LAH34.558 is a LAH34.558.
What parts can replace LAH34.558?
There are 18 known substitutes for LAH34.558: 6954, 51078, 15250 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LAH34.558?
LAH34.558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-371-2434. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026