PartsTable
Technical Data Sheet
74724A ✓ 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, reducer_type: CONCENTRIC, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS, operating_pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 875.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-6839, 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
74724A
NSN: 4730-00-174-6839
FSC: 4730
CAGE: 00742 — AIR PRODUCTS & CHEMICALS, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
reducer_typeCONCENTRIC
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
operating_pressure600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp875.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length4.000 INCHES IN
media_for_which_designedSTEAM SINGLE RESPONSE
departure_from_cited_documentAS MODIFIED BY MATERIAL
nominal_pipe_size_accommodated3.000 INCHES SECOND END IN
material_document_and_classificationASTM 234,59T,GRADE W+1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 ALL ENDS
NSN4730-00-174-6839
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 74724A · 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
MEDIA FOR WHICH DESIGNED: STEAM SINGLE RESPONSE
REDUCER TYPE: CONCENTRIC
NOMINAL PIPE SIZE ACCOMMODATED: 4.000 INCHES FIRST END IN
MAXIMUM OPERATING TEMP: 875.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM 234,59T,GRADE W+1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
REDUCER TYPECONCENTRIC
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES FIRST END IN
MAXIMUM OPERATING TEMP875.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH4.000 INCHES IN
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM 234,59T,GRADE W+1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
B16-9Interchangeable
Same NIIN cross-reference
interchangeable
ASME B16.9Interchangeable
Same NIIN cross-reference
interchangeable
1385854Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74724A?
74724A is a REDUCER,PIPE.
What parts can replace 74724A?
There are 3 known substitutes for 74724A: B16-9, ASME B16.9, 1385854. Substitute compatibility should be verified for your specific system.
Is 74724A still available?
74724A is currently cancelled.
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