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Technical Data Sheet
10004B-B03 ✓ 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,TUBE TO HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A FIRST END A, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: SWIVEL NUT, GASKET SEAL (TUBE) FIRST END, nominal_thread_size: 0.375 INCHES FIRST END IN, nominal_overall_length: 1.730 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 4730-00-055-8728, 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
10004B-B03
NSN: 4730-00-055-8728
FSC: 4730
CAGE: 62727 — MID-STATE SALES, INC. DIV DEFENSE PRODUCTS GROUP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A FIRST END A
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleSWIVEL NUT, GASKET SEAL (TUBE) FIRST END
nominal_thread_size0.375 INCHES FIRST END IN
nominal_overall_length1.730 INCHES IN
thread_series_designatorUNF FIRST END
nominal_inside_diameter_hose_accommodated0.250 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.188 INCHES FIRST END IN
NSN4730-00-055-8728
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 10004B-B03 · 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: OIL FIRST RESPONSE
MATERIAL: COPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.188 INCHES FIRST END IN
NOMINAL OVERALL LENGTH: 1.688 INCHES IN
THREAD SERIES DESIGNATOR: UNF FIRST END
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDOIL FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDAIR THIRD RESPONSE
MATERIALCOPPER ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES FIRST END IN
MATERIALPLASTIC OR PLASTIC POLYTETRAFLUOROETHYLENE CAP
NOMINAL OVERALL LENGTH1.688 INCHES IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
MEDIA FOR WHICH DESIGNEDFUEL SECOND RESPONSE
SEAT ANGLE45.0 DEGREES FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
10004B-B03Interchangeable
interchangeable cross-reference
interchangeable
52022Interchangeable
interchangeable cross-reference
interchangeable
94734Interchangeable
interchangeable cross-reference
interchangeable
KA04-03MFInterchangeable
Same NIIN cross-reference
interchangeable
328KA-3-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10004B-B03?
10004B-B03 is a ADAPTER,STRAIGHT,TUBE TO HOSE.
What parts can replace 10004B-B03?
There are 5 known substitutes for 10004B-B03: 10004B-B03, 52022, 94734 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10004B-B03?
10004B-B03 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-055-8728. This indicates validated use in U.S. government and defense supply chains.
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