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Technical Data Sheet
PartsTable / COMPONENT / 5343K16
5343K16 ✓ 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: STEEL BODY, connection_type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, surface_treatment: ZINC BODY, nominal_thread_size: 0.375 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-954-9510, 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
5343K16
NSN: 4730-00-954-9510
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL BODY
connection_typeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentZINC BODY
nominal_thread_size0.375 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size0.375 INCHES ALL ENDS IN
NSN4730-00-954-9510
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5343K16 · 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
•
SURFACE TREATMENT: ZINC BODY
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL: STEEL BODY
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTZINC BODY
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
MATERIALSTEEL BODY
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPEEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
QUICK DISCONNECT NOMINAL SIZE0.375 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
A6PI00-4Interchangeable
interchangeable cross-reference
interchangeable
380-4 AND C-852Interchangeable
interchangeable cross-reference
interchangeable
C-4133Interchangeable
interchangeable cross-reference
interchangeable
X4980-3Interchangeable
interchangeable cross-reference
interchangeable
PEC127Interchangeable
interchangeable cross-reference
interchangeable
16067DAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5343K16?
5343K16 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 5343K16?
There are 21 known substitutes for 5343K16: A6PI00-4, 380-4 AND C-852, C-4133 and 18 more. Substitute compatibility should be verified for your specific system.
Is 5343K16 still available?
5343K16 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