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411856 — STRAINER ELEMENT,SEDIMENT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

411856: STRAINER ELEMENT,SEDIMENT.

The STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, helix_angle: 45.0000 DEGREES, pitch_diameter: 1.5000 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. 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
411856
NSN: 4730-00-424-2771
NIINs: 004242771, 013203795
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79172 — SIEMENS WATER TECHNOLOGIES CORP. DIV WALLACE & TIERNAN PRODUCTS (USA)
SPECIFICATIONS
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
teeth_typeSINGLE HELIX
helix_angle45.0000 DEGREES
pitch_diameter1.5000 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity24
tooth_directionLEFT
style_designatorHUBLESS
face_nominal_width0.500 INCHES IN
keyway_nominal_width0.125 INCHES BOTH ENDS IN
bore_nominal_diameter0.500 INCHES BOTH ENDS IN
NSN4730-00-424-2771
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 411856 · 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 2
U4743Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 411856?
411856 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 411856?
There are 2 known substitutes for 411856: U4743, U11856. Substitute compatibility should be verified for your specific system.
What is the NSN for 411856?
411856 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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