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Technical Data Sheet
PartsTable / COMPONENT / 4703-2R-1/2X1/4
4703-2R-1/2X1/4 ✓ 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 4703-2R-1/2X1/4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-808-0394, 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
4703-2R-1/2X1/4
NSN: 4730-00-808-0394
FSC: 4730
CAGE: 18906 — ELKHART PRODUCTS CORP (USA)
SPECIFICATIONS
Part Number4703-2R-1/2X1/4
NSN4730-00-808-0394
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4703-2R-1/2X1/4 · 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
•
CONNECTION STYLE: PLAIN (TUBE) FIRST END
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.063 INCHES IN
•
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
•
THREAD SERIES DESIGNATOR: NPT SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.032 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (TUBE) FIRST END
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.063 INCHES IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
THREAD SERIES DESIGNATORNPT SECOND END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.032 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B75 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
18-2064Interchangeable
interchangeable cross-reference
interchangeable
50-4303Interchangeable
interchangeable cross-reference
interchangeable
CWC2INDIAInterchangeable
interchangeable cross-reference
interchangeable
603112Interchangeable
interchangeable cross-reference
interchangeable
W-1526Interchangeable
interchangeable cross-reference
interchangeable
9994-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4703-2R-1/2X1/4?
4703-2R-1/2X1/4 is a 4703-2R-1/2X1/4.
What parts can replace 4703-2R-1/2X1/4?
There are 15 known substitutes for 4703-2R-1/2X1/4: 18-2064, 50-4303, CWC2INDIA and 12 more. Substitute compatibility should be verified for your specific system.
Is 4703-2R-1/2X1/4 still available?
4703-2R-1/2X1/4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026