PartsTable
Technical Data Sheet
705HB1 ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, nominal_thread_size: 0.500 INCHES SECOND END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-8873, 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
705HB1
NSN: 4730-00-278-8873
FSC: 4730
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2A SECOND END A
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
nominal_thread_size0.500 INCHES SECOND END IN
nominal_overall_length0.953 INCHES IN
thread_series_designatorUNF FIRST END
nominal_outside_diameter_tube_accommodated0.312 INCHES FIRST END IN
NSN4730-00-278-8873
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 705HB1 · 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
MATERIAL: COPPER ALLOY 360 OVERALL
CONNECTION STYLE: INVERTED FLARE (TUBE) FIRST END
THREAD CLASS: 2B FIRST END
NOMINAL THREAD SIZE: 0.500 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UNF SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.312 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 360 OVERALL
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
THREAD CLASS2B FIRST END
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF SECOND END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.312 INCHES FIRST END IN
THREAD CLASS2A SECOND END A
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
107-4Interchangeable
interchangeable cross-reference
interchangeable
3415-1721-0104Interchangeable
interchangeable cross-reference
interchangeable
5590037Interchangeable
interchangeable cross-reference
interchangeable
854003Interchangeable
interchangeable cross-reference
interchangeable
FG1Interchangeable
interchangeable cross-reference
interchangeable
M166I-100Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 705HB1?
705HB1 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 705HB1?
There are 26 known substitutes for 705HB1: 107-4, 3415-1721-0104, 5590037 and 23 more. Substitute compatibility should be verified for your specific system.
Is 705HB1 still available?
705HB1 is currently cancelled.
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