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Technical Data Sheet
PartsTable / COMPONENT / 702X3
702X3 ✓ 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 TUBE AND FITTINGS,METALLIC is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: TUBE FITTING, TEE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-1706, 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
702X3
NSN: 4730-00-287-1706
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyTUBE FITTING, TEE
NSN4730-00-287-1706
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 702X3 · 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
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
LEG LENGTH: 0.531 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.188 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL TUBE ALL ENDS
•
NONDEFINITIVE SPEC/STD DATA: 7A FIGURE A
•
SEAT ANGLE: 42.0 DEGREES ALL ENDS
•
CONNECTION STYLE: INVERTED FLARE (PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LEG LENGTH0.531 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL TUBE ALL ENDS
NONDEFINITIVE SPEC/STD DATA7A FIGURE A
SEAT ANGLE42.0 DEGREES ALL ENDS
CONNECTION STYLEINVERTED FLARE (PIPE) ALL ENDS
THREAD CLASS2B ALL ENDS
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
14955Interchangeable
interchangeable cross-reference
interchangeable
J512 4-4-4 040401BAInterchangeable
interchangeable cross-reference
interchangeable
2702X4Interchangeable
interchangeable cross-reference
interchangeable
MS51880-4Interchangeable
interchangeable cross-reference
interchangeable
89309Interchangeable
interchangeable cross-reference
interchangeable
63842Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 702X3?
702X3 is a TUBE AND FITTINGS,METALLIC.
What parts can replace 702X3?
There are 19 known substitutes for 702X3: 14955, J512 4-4-4 040401BA, 2702X4 and 16 more. Substitute compatibility should be verified for your specific system.
Is 702X3 still available?
702X3 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