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343001 ✓ 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 PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_diameter: 0.440 INCHES NOMINAL IN, overall_length: 0.380 INCHES NOMINAL IN, style_designator: PLUG, MACHINE, thread_series_designator: UNF EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-953-3299, 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
343001
NSN: 5340-00-953-3299
FSC: 5340
CAGE: 92553 — KEN STANDARD CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_diameter0.440 INCHES NOMINAL IN
overall_length0.380 INCHES NOMINAL IN
style_designatorPLUG, MACHINE
thread_series_designatorUNF EXTERNAL
NSN5340-00-953-3299
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 343001 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
34-5001Interchangeable
interchangeable cross-reference
interchangeable
9006018Interchangeable
interchangeable cross-reference
interchangeable
345603Interchangeable
interchangeable cross-reference
interchangeable
265-0017-010Interchangeable
interchangeable cross-reference
interchangeable
117377Interchangeable
interchangeable cross-reference
interchangeable
24621-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 343001?
343001 is a PLUG,MACHINE THREAD.
What parts can replace 343001?
There are 21 known substitutes for 343001: 34-5001, 9006018, 345603 and 18 more. Substitute compatibility should be verified for your specific system.
Is 343001 still available?
343001 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