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PartsTable / COMPONENT / 4DP1570D-3699 1 1/2IPS
4DP1570D-3699 1 1/2IPS ✓ 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 4DP1570D-3699 1 1/2IPS is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-231-7109, 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
4DP1570D-3699 1 1/2IPS
NSN: 4730-01-231-7109
FSC: 4730
CAGE: 98119 — WALWORTH CO THE (USA)
SPECIFICATIONS
Part Number4DP1570D-3699 1 1/2IPS
NSN4730-01-231-7109
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4DP1570D-3699 1 1/2IPS · 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
•
STYLE DESIGNATOR: Y STRAINER W/THREADED COVER
•
MOUNTING TYPE: INLET CONNECTION AND OUTLET CONNECTION LINE
•
MATERIAL: COPPER ALLOY BODY
•
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTION: IDENTICAL TO FIRST INTAKE CONNECTION
•
FIRST INTAKE CONNECTION TYPE: INTERNAL SOLDER LINE
•
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET: 4.188 INCHES NOMINAL IN
•
FIRST INTAKE NOMINAL INSIDE DIAMETER: 1.500 INCHES IN
•
BODY LENGTH: 5.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORY STRAINER W/THREADED COVER
MOUNTING TYPEINLET CONNECTION AND OUTLET CONNECTION LINE
MATERIALCOPPER ALLOY BODY
FIRST DISCHARGE CONNECTION RELATIONSHIP TO INTAKE CONNECTIONIDENTICAL TO FIRST INTAKE CONNECTION
FIRST INTAKE CONNECTION TYPEINTERNAL SOLDER LINE
DISTANCE FROM BOTTOM OF BODY TO CENTER OF INLET4.188 INCHES NOMINAL IN
FIRST INTAKE NOMINAL INSIDE DIAMETER1.500 INCHES IN
BODY LENGTH5.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2709Interchangeable
interchangeable cross-reference
interchangeable
N1809Interchangeable
interchangeable cross-reference
interchangeable
271731-8Interchangeable
interchangeable cross-reference
interchangeable
5Interchangeable
interchangeable cross-reference
interchangeable
2984PC63Interchangeable
interchangeable cross-reference
interchangeable
S6101-3121465PC63Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4DP1570D-3699 1 1/2IPS?
4DP1570D-3699 1 1/2IPS is a 4DP1570D-3699 1 1/2IPS.
What parts can replace 4DP1570D-3699 1 1/2IPS?
There are 15 known substitutes for 4DP1570D-3699 1 1/2IPS: 2709, N1809, 271731-8 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4DP1570D-3699 1 1/2IPS?
4DP1570D-3699 1 1/2IPS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-231-7109. 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