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Technical Data Sheet
PartsTable / COMPONENT / 803-5001057
803-5001057 ✓ 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 STRAINER ELEMENT,SEDIMENT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING SCREENING, mesh_size: 60.0, body_height: 3.625 INCHES NOMINAL IN, body_length: 5.125 INCHES NOMINAL IN, mounting_type: INLET CONNECTION AND OUTLET CONNECTION SIDE, wire_diameter: 0.007 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-164-3494, 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
803-5001057
NSN: 4730-01-164-3494
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING SCREENING
mesh_size60.0
body_height3.625 INCHES NOMINAL IN
body_length5.125 INCHES NOMINAL IN
mounting_typeINLET CONNECTION AND OUTLET CONNECTION SIDE
wire_diameter0.007 INCHES NOMINAL IN
special_featuresMILITARY CRITICAL, EXPORT CONTROL; OUTLET PASSAGE REDUCED WITH .031 INCH ORIFICE; MATERIAL CLASS 316 STAINLESS STEEL IN
style_designatorDIVERTED FLOW BASKET STRAINER W/BOLTED COVER
body_overall_length5.125 INCHES NOMINAL IN
filtering_media_designMESH SINGLE FILTERING MEDIA RESPONSE
end_item_identification900 LB DRAIN STRAINER LBS
first_intake_connection_typeSOCKET WELDING SIDE
NSN4730-01-164-3494
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 803-5001057 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVIRGINIA CLASS CGN (41); NIMITZ CLASS CVN; TARAWA CLASS LHA; OHIO CLASS SSN (TRIDENT)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
803-5001057-3/4-031-02Interchangeable
Same NIIN cross-reference
interchangeable
803-5001057-A2-031-02Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 803-5001057?
803-5001057 is a STRAINER ELEMENT,SEDIMENT.
What parts can replace 803-5001057?
There are 2 known substitutes for 803-5001057: 803-5001057-3/4-031-02, 803-5001057-A2-031-02. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-5001057?
803-5001057 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-164-3494. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026