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Technical Data Sheet
C43949 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.750 INCHES FIRST END IN, nominal_overall_length: 2.120 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-823-5403, 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
C43949
NSN: 4730-00-823-5403
FSC: 4730
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length2.120 INCHES IN
media_for_which_designedFLUID SINGLE RESPONSE
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated0.750 INCHES FIRST END IN
NSN4730-00-823-5403
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C43949 · 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
NOMINAL OVERALL LENGTH: 2.120 INCHES IN
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
CONNECTION STYLE: PLAIN (HOSE) SECOND END
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL: STEEL COMP 303 OVERALL
THREAD SERIES DESIGNATOR: NPSH SECOND END
MEDIA FOR WHICH DESIGNED: FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH2.120 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
CONNECTION STYLEPLAIN (HOSE) SECOND END
SURFACE TREATMENTPASSIVATE OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
MATERIALSTEEL COMP 303 OVERALL
THREAD SERIES DESIGNATORNPSH SECOND END
MEDIA FOR WHICH DESIGNEDFLUID SINGLE RESPONSE
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
NOMINAL THREAD SIZE1.000 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
67-972Interchangeable
interchangeable cross-reference
interchangeable
5935008928895Interchangeable
interchangeable cross-reference
interchangeable
U-288/UInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C43949?
C43949 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace C43949?
There are 3 known substitutes for C43949: 67-972, 5935008928895, U-288/U. Substitute compatibility should be verified for your specific system.
What is the NSN for C43949?
C43949 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-823-5403. This indicates validated use in U.S. government and defense supply chains.
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