PartsTable
Technical Data Sheet
HP3400 ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, nominal_thread_size: 0.750 INCHES FIRST END IN, nominal_overall_length: 1.250 INCHES IN, thread_quantity_per_inch: 14 SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-454-7545, 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
HP3400
NSN: 4730-00-454-7545
FSC: 4730
CAGE: 31846 — BAUMBACH ENGINEERING CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length1.250 INCHES IN
thread_quantity_per_inch14 SECOND END
thread_series_designatorNH SECOND END
NSN4730-00-454-7545
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HP3400 · 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
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: NH SECOND END
THREAD QUANTITY PER INCH: 14 SECOND END
NOMINAL OVERALL LENGTH: 1.250 INCHES IN
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
THREAD SERIES DESIGNATORNH SECOND END
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
THREAD QUANTITY PER INCH14 SECOND END
NOMINAL OVERALL LENGTH1.250 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1569Interchangeable
interchangeable cross-reference
interchangeable
C5NN-7B155-AInterchangeable
interchangeable cross-reference
interchangeable
201569Interchangeable
interchangeable cross-reference
interchangeable
MS51800-5Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-239-0035Interchangeable
interchangeable cross-reference
interchangeable
MS21921-10DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HP3400?
HP3400 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace HP3400?
There are 15 known substitutes for HP3400: 1569, C5NN-7B155-A, 201569 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HP3400?
HP3400 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-454-7545. This indicates validated use in U.S. government and defense supply chains.
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