PartsTable
Technical Data Sheet
172C-8-6 ✓ 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 TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.960 INCHES NOMINAL FIRST END IN, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL PIPE THIRD END, connection_style: COMPRESSION (TUBE) SECOND END, nominal_thread_size: 0.375 INCHES THIRD END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-6255, 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
172C-8-6
NSN: 4730-00-278-6255
FSC: 4730
CAGE: 93061 — PARKER-HANNIFIN CORP DIV FLUID SYSTEM CONNECTOR DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.960 INCHES NOMINAL FIRST END IN
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL PIPE THIRD END
connection_styleCOMPRESSION (TUBE) SECOND END
nominal_thread_size0.375 INCHES THIRD END IN
seat_nominal_radius0.062 INCHES SECOND END IN
thread_quantity_per_inch20 SECOND END
thread_series_designatorUNS SECOND END
nondefinitive_spec/std_data14B FIGURE
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
furnished_items_and_quantity2 FERRULE SLEEVE AND 2 SHORT COUPLING NUT
NSN4730-00-278-6255
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 172C-8-6 · 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: PLAIN (PIPE) THIRD END
THREAD CLASS: 2A SECOND END A
NOMINAL THREAD SIZE: 0.688 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
THREAD QUANTITY PER INCH: 20 SECOND END
THREAD SERIES DESIGNATOR: UNS SECOND END
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) THIRD END
THREAD CLASS2A SECOND END A
CONNECTION STYLECOMPRESSION (TUBE) FIRST END
NOMINAL THREAD SIZE0.688 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
THREAD QUANTITY PER INCH20 SECOND END
THREAD SERIES DESIGNATORUNS SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
LEG LENGTH0.960 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
72FInterchangeable
interchangeable cross-reference
interchangeable
BB14WPJGRWFInterchangeable
interchangeable cross-reference
interchangeable
72-65Interchangeable
interchangeable cross-reference
interchangeable
FF-F-111Interchangeable
interchangeable cross-reference
interchangeable
A-A-407Interchangeable
interchangeable cross-reference
interchangeable
8-8-6 060425BAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172C-8-6?
172C-8-6 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 172C-8-6?
There are 9 known substitutes for 172C-8-6: 72F, BB14WPJGRWF, 72-65 and 6 more. Substitute compatibility should be verified for your specific system.
Is 172C-8-6 still available?
172C-8-6 is currently cancelled.
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