PartsTable
Technical Data Sheet
5344K42 ✓ 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: IRON BODY, connection_type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: BARBED OR SERRATED END ALL ENDS, style_designator: MALE COUPLING HALF, features_provided: SELF-SEALING, quick_disconnect_method: TWO LUG UNIVERSAL ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-279-4568, 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
5344K42
NSN: 4730-01-279-4568
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialIRON BODY
connection_typeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_styleBARBED OR SERRATED END ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
quick_disconnect_methodTWO LUG UNIVERSAL ALL ENDS
furnished_items_and_quantity1 SEAL
nominal_inside_diameter_hose_accommodated0.750 INCHES ALL ENDS IN
NSN4730-01-279-4568
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5344K42 · 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: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
STYLE DESIGNATOR: MALE COUPLING HALF
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.750 INCHES ALL ENDS IN
QUICK DISCONNECT METHOD: TWO LUG UNIVERSAL ALL ENDS
FEATURES PROVIDED: SELF-SEALING
MATERIAL: IRON BODY
FURNISHED ITEMS AND QUANTITY: 1 SEAL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES ALL ENDS IN
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
FEATURES PROVIDEDSELF-SEALING
MATERIALIRON BODY
FURNISHED ITEMS AND QUANTITY1 SEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
A28-239Interchangeable
interchangeable cross-reference
interchangeable
C36838Interchangeable
interchangeable cross-reference
interchangeable
AM1Interchangeable
interchangeable cross-reference
interchangeable
STYLEAKMPTAMHInterchangeable
interchangeable cross-reference
interchangeable
WWC633TYPE1Interchangeable
interchangeable cross-reference
interchangeable
WW-C-633Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5344K42?
5344K42 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 5344K42?
There are 25 known substitutes for 5344K42: A28-239, C36838, AM1 and 22 more. Substitute compatibility should be verified for your specific system.
Is 5344K42 still available?
5344K42 is currently cancelled.
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