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Technical Data Sheet
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M343 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The SPEED SENSOR,SHAFT is a the manufacturer industrial component. Key specifications include end_item_identification: ONBOARD 110 FT WPB COAST GUARD VESSELS FT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-385-2242, 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
M343
NSN: 4730-00-385-2242
FSC: 4730
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
end_item_identificationONBOARD 110 FT WPB COAST GUARD VESSELS FT
NSN4730-00-385-2242
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M343 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
WW-P-471AASBCDInterchangeable
interchangeable cross-reference
interchangeable
AA59616AASBCDInterchangeable
interchangeable cross-reference
interchangeable
444589Interchangeable
interchangeable cross-reference
interchangeable
RED03015Interchangeable
interchangeable cross-reference
interchangeable
RED03013/01Interchangeable
interchangeable cross-reference
interchangeable
M917Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M343?
M343 is a SPEED SENSOR,SHAFT.
What parts can replace M343?
There are 12 known substitutes for M343: WW-P-471AASBCD, AA59616AASBCD, 444589 and 9 more. Substitute compatibility should be verified for your specific system.
Is M343 still available?
M343 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