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PartsTable / COMPONENT / S21710-1608
S21710-1608 ✓ 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,METALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES SECOND END, seat_angle: 37.0 DEGREES SECOND END, thread_class: 3A FIRST END A, connection_type: THREADED INTERNAL TUBE SECOND END, inside_diameter: 0.375 INCHES NOMINAL IN, connection_style: SWIVEL NUT FLARE FIRST 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 4720-00-947-6799, 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
S21710-1608
NSN: 4720-00-947-6799
FSC: 4720
CAGE: 78570 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES SECOND END
seat_angle37.0 DEGREES SECOND END
thread_class3A FIRST END A
connection_typeTHREADED INTERNAL TUBE SECOND END
inside_diameter0.375 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND SECOND END
nominal_thread_size0.875 INCHES FIRST END IN
end_connection_designELBOW SECOND END
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
inner_conveying_tube_styleANNULAR CLOSE-PITCH CORRUGATED
NSN4720-00-947-6799
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: S21710-1608 · 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
•
MEASURING METHOD AND LENGTH: 16.800 INCHES NOMINAL WORKING IN
•
NOMINAL THREAD SIZE: 0.875 INCHES SECOND END IN
•
SEAT ANGLE: 37.0 DEGREES SECOND END
•
INSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
THREAD CLASS: 3A FIRST END A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
MEASURING METHOD AND LENGTH16.800 INCHES NOMINAL WORKING IN
NOMINAL THREAD SIZE0.875 INCHES SECOND END IN
SEAT ANGLE37.0 DEGREES SECOND END
INSIDE DIAMETER0.375 INCHES NOMINAL IN
END CONNECTION DESIGNSTRAIGHT FIRST END
THREAD CLASS3A FIRST END A
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) SECOND END
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
LAYER COMPOSITION AND LOCATIONOUTER LAYER BRAIDED STEEL WIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
47436Interchangeable
interchangeable cross-reference
interchangeable
21693Interchangeable
interchangeable cross-reference
interchangeable
14128Interchangeable
interchangeable cross-reference
interchangeable
9344C1090-3Interchangeable
interchangeable cross-reference
interchangeable
014128Interchangeable
interchangeable cross-reference
interchangeable
14128AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S21710-1608?
S21710-1608 is a HOSE ASSEMBLY,METALLIC.
What parts can replace S21710-1608?
There are 20 known substitutes for S21710-1608: 47436, 21693, 14128 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S21710-1608?
S21710-1608 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-947-6799. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026