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U4743 — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

U4743: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include width: 0.900 INCHES NOMINAL IN, length: 3.031 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON, mesh_size: 36.0, thickness: 0.512 INCHES NOMINAL IN, wire_diameter: 0.01500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-424-2771, 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
U4743
NSN: 4730-00-424-2771
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
width0.900 INCHES NOMINAL IN
length3.031 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON
mesh_size36.0
thickness0.512 INCHES NOMINAL IN
wire_diameter0.01500 INCHES NOMINAL IN
special_featuresPLASTIC UNTHD EXTERNAL CONNECTION,1 LG,DESIGNED FOR 0.438 IN. ID HOSE,LOCATED ON ONE SIDE OF ELEMENT IN
style_designatorBOX TYPE
end_connection_typePLAIN ALL ENDS
filtering_media_designMESH
end_item_identificationPOSEIDON SUBMARINE/NAVY STRATEGIC
NSN4730-00-424-2771
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: U4743 · 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
KEY FEATURES
•
FILTERING MEDIA DESIGN: MESH
•
LENGTH: 3.031 INCHES NOMINAL IN
•
MESH SIZE: 36.0
•
END CONNECTION TYPE: PLAIN ALL ENDS
•
STYLE DESIGNATOR: BOX TYPE
•
WIDTH: 0.900 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FILTERING MEDIA DESIGNMESH
LENGTH3.031 INCHES NOMINAL IN
MESH SIZE36.0
END CONNECTION TYPEPLAIN ALL ENDS
STYLE DESIGNATORBOX TYPE
SPECIAL FEATURESPLASTIC UNTHD EXTERNAL CONNECTION,1 LG,DESIGNED FOR 0.438 IN. ID HOSE,LOCATED ON ONE SIDE OF ELEMENT IN
WIDTH0.900 INCHES NOMINAL IN
END ITEM IDENTIFICATIONPOSEIDON SUBMARINE/NAVY STRATEGIC
MATERIALPLASTIC POLYAMIDE NYLON
WIRE DIAMETER0.01500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
U11856Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 U4743?
U4743 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace U4743?
There is 1 known substitute for U4743: U11856. Substitute compatibility should be verified for your specific system.
What is the NSN for U4743?
U4743 is cataloged in the U.S. Government catalog under NSN 4730-00-424-2771. 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.