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Technical Data Sheet

M10388-B19BT1C4A — Technical Data Sheet

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· 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: IRON OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL PIPE ALL ENDS, connection_style: GROOVED (PIPE) ALL ENDS, operating_pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 4.000 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-9509, 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
M10388-B19BT1C4A
NSN: 4730-00-202-9509
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialIRON OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL PIPE ALL ENDS
connection_styleGROOVED (PIPE) ALL ENDS
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length4.000 INCHES IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
specification/standard_data81349-MIL-P-10388 GOVERNMENT SPECIFICATION
nominal_pipe_size_accommodated6.000 INCHES FIRST END IN
material_document_and_classificationQQ-I-666,GR 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
pipe_wall_thickness_designation_for_which_designedSCHEDULE STD ALL ENDS
NSN4730-00-202-9509
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: M10388-B19BT1C4A · 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: WATER-OIL-GAS SINGLE RESPONSE
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE STD ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED: 4.000 INCHES SECOND END IN
REDUCER TYPE: CONCENTRIC
CONNECTION STYLE: GROOVED (PIPE) ALL ENDS
CONNECTION TYPE: UNTHREADED EXTERNAL PIPE ALL ENDS
NOMINAL OVERALL LENGTH: 4.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES SECOND END IN
REDUCER TYPECONCENTRIC
CONNECTION STYLEGROOVED (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL PIPE ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED6.000 INCHES FIRST END IN
NOMINAL OVERALL LENGTH4.000 INCHES IN
MATERIALIRON OVERALL
SPECIFICATION/STANDARD DATA81349-MIL-P-10388 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B-19-BT-1-C-4AInterchangeable
Same NIIN cross-reference
interchangeable
A-A-52592Interchangeable
Same NIIN cross-reference
interchangeable
AA52592-B19BT1C4AInterchangeable
Same NIIN cross-reference
interchangeable
MIL-P-10388Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M10388-B19BT1C4A?
M10388-B19BT1C4A is a REDUCER,PIPE.
What parts can replace M10388-B19BT1C4A?
There are 4 known substitutes for M10388-B19BT1C4A: B-19-BT-1-C-4A, A-A-52592, AA52592-B19BT1C4A and 1 more. Substitute compatibility should be verified for your specific system.
Is M10388-B19BT1C4A still available?
M10388-B19BT1C4A is currently cancelled.
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