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Technical Data Sheet
1385854 ✓ 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, flow_angle: 45.0 DEGREES, leg_length: 1.750 INCHES NOMINAL ALL ENDS IN, sweep_type: LONG, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) 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 4730-00-174-6799, 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
1385854
NSN: 4730-00-174-6799
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle45.0 DEGREES
leg_length1.750 INCHES NOMINAL ALL ENDS IN
sweep_typeLONG
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
special_featuresNO WELD REPAIR ALLOWED
nondefinitive_spec/std_data2 TABLE
specification/standard_data80204-B16.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_pipe_size_accommodated2.500 INCHES ALL ENDS IN
material_document_and_classificationASTM A234-82A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
pipe_wall_thickness_designation_for_which_designedSCHEDULE 40 ALL ENDS
NSN4730-00-174-6799
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1385854 · 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
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 40 FIRST END
REDUCER TYPE: CONCENTRIC
CONNECTION STYLE: BEVELED (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 FIRST END
REDUCER TYPECONCENTRIC
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 SECOND END
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 SECOND END
NOMINAL OVERALL LENGTH2.000 INCHES IN
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES FIRST END IN
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
B169Interchangeable
Same NIIN cross-reference
interchangeable
B16-9-1964Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1385854?
1385854 is a REDUCER,PIPE.
What parts can replace 1385854?
There are 2 known substitutes for 1385854: B169, B16-9-1964. Substitute compatibility should be verified for your specific system.
What is the NSN for 1385854?
1385854 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-6799. This indicates validated use in U.S. government and defense supply chains.
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