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Technical Data Sheet
PartsTable / COMPONENT / 2JC2409-1
2JC2409-1 ✓ 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 COUPLING HALF,SELF-SEALING is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED, thread_class: 3A ALL ENDS A, overall_length: 1.625 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARED ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-673-4662, 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
2JC2409-1
NSN: 4730-00-673-4662
FSC: 4730
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
thread_class3A ALL ENDS A
overall_length1.625 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
operating_pressure22.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.312 INCHES ALL ENDS IN
media_for_which_designedAIR SINGLE RESPONSE
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
mating_end_identificationWEATHERHEAD CO,COUPLING HALF,SELF SEALING,PART NO. 10390-01-02
NSN4730-00-673-4662
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2JC2409-1 · 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
•
OPERATING PRESSURE: 22.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: SELF-SEALING
•
THREAD CLASS: 3A ALL ENDS A
•
SEAT ANGLE: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE22.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDSELF-SEALING
THREAD CLASS3A ALL ENDS A
SEAT ANGLE37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
OVERALL LENGTH1.625 INCHES NOMINAL IN
CONNECTION STYLEFLARED ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
20985Interchangeable
interchangeable cross-reference
interchangeable
107255Interchangeable
interchangeable cross-reference
interchangeable
110325Interchangeable
interchangeable cross-reference
interchangeable
103801Interchangeable
interchangeable cross-reference
interchangeable
748367-20Interchangeable
interchangeable cross-reference
interchangeable
ZT37-70-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2JC2409-1?
2JC2409-1 is a COUPLING HALF,SELF-SEALING.
What parts can replace 2JC2409-1?
There are 15 known substitutes for 2JC2409-1: 20985, 107255, 110325 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2JC2409-1?
2JC2409-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-673-4662. 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