PartsTable
Technical Data Sheet
1551AS106-4 ✓ Verified by PartsTable
· PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL TUBE SECOND END, inside_diameter: 0.188 INCHES NOMINAL IN, thread_direction: RIGHT-HAND FIRST END, nominal_thread_size: 0.375 INCHES SECOND END IN, inside_surface_condition: SMOOTH. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-254-0783, 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
1551AS106-4
NSN: 4720-01-254-0783
FSC: 4720
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL TUBE SECOND END
inside_diameter0.188 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
nominal_thread_size0.375 INCHES SECOND END IN
inside_surface_conditionSMOOTH
media_for_which_designedBRAKE FLUID, NONMINERAL OIL SINGLE RESPONSE
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) FIRST END
cross-sectional_shape_styleROUND
measuring_method_and_length18.000 INCHES NOMINAL OVERALL IN
NSN4720-01-254-0783
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — PN: 1551AS106-4 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) FIRST END
THREAD DIRECTION: RIGHT-HAND FIRST END
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
THREAD CLASS: 3A SECOND END A
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) FIRST END
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
NOMINAL THREAD SIZE0.375 INCHES SECOND END IN
THREAD CLASS3A SECOND END A
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
INSIDE SURFACE CONDITIONSMOOTH
THREAD CLASS3B FIRST END
INSIDE DIAMETER0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
PH20Interchangeable
interchangeable cross-reference
interchangeable
664340Interchangeable
interchangeable cross-reference
interchangeable
110AInterchangeable
interchangeable cross-reference
interchangeable
52872Interchangeable
interchangeable cross-reference
interchangeable
SMB157398Interchangeable
interchangeable cross-reference
interchangeable
544-00822-99Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1551AS106-4?
1551AS106-4 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 1551AS106-4?
There are 7 known substitutes for 1551AS106-4: PH20, 664340, 110A and 4 more. Substitute compatibility should be verified for your specific system.
Is 1551AS106-4 still available?
1551AS106-4 is currently cancelled.
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