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ZS403N — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

ZS403N: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4730-01-543-4512, 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
ZS403N
NSN: 4730-01-543-4512
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 48804 — STEAMGARD LLC (USA)
SPECIFICATIONS
Part NumberZS403N
NSN4730-01-543-4512
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ZS403N · 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
SUBSTITUTES & CROSS-REFERENCES 1
LTLS002NReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ZS403N?
ZS403N is a STRAINER ELEMENT,SEDIMENT.
What parts can replace ZS403N?
There is 1 known substitute for ZS403N: LTLS002N. Substitute compatibility should be verified for your specific system.
What is the NSN for ZS403N?
ZS403N is cataloged in the U.S. Government catalog under NSN 4730-01-543-4512. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.