PartsTable
Technical Data Sheet
56-3-4SFT ✓ 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,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, leg_length: 0.438 INCHES NOMINAL IN, thread_class: 3B ALL ENDS, overall_length: 1.375 INCHES NOMINAL IN, connection_type: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION, connection_style: BOSS GASKET SEAL ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-241-8311, 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
56-3-4SFT
NSN: 4730-00-241-8311
FSC: 4730
CAGE: 95138 — DIXON VALVE & COUPLING COMPANY, LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
leg_length0.438 INCHES NOMINAL IN
thread_class3B ALL ENDS
overall_length1.375 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL BOSS FIRST FLUID END CONNECTION
connection_styleBOSS GASKET SEAL ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.750 INCHES ALL ENDS IN
quick_disconnect_methodSPRING PUSH-PULL ALL ENDS
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-00-241-8311
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 56-3-4SFT · 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 TYPE: THREADED INTERNAL BOSS FIRST FLUID END CONNECTION
LEG LENGTH: 0.438 INCHES NOMINAL IN
STYLE DESIGNATOR: MALE COUPLING HALF
THREAD CLASS: 3B ALL ENDS
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
CONNECTION STYLE: BOSS GASKET SEAL ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL BOSS FIRST FLUID END CONNECTION
LEG LENGTH0.438 INCHES NOMINAL IN
OVERALL LENGTH1.375 INCHES NOMINAL IN
STYLE DESIGNATORMALE COUPLING HALF
THREAD CLASS3B ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
CONNECTION STYLEBOSS GASKET SEAL ALL ENDS
QUICK DISCONNECT METHODSPRING PUSH-PULL ALL ENDS
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
548071G0002Interchangeable
interchangeable cross-reference
interchangeable
MY5353Interchangeable
interchangeable cross-reference
interchangeable
294-990060-809Interchangeable
interchangeable cross-reference
interchangeable
535-0054Interchangeable
interchangeable cross-reference
interchangeable
2100-2867Interchangeable
interchangeable cross-reference
interchangeable
535-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56-3-4SFT?
56-3-4SFT is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 56-3-4SFT?
There are 24 known substitutes for 56-3-4SFT: 548071G0002, MY5353, 294-990060-809 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 56-3-4SFT?
56-3-4SFT is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-241-8311. This indicates validated use in U.S. government and defense supply chains.
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