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3657-42-1 — TUBING ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

3657-42-1: TUBING ASSEMBLY,NONMETALLIC.

The TUBING ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) TUBE, seat_angle: 20.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.170 INCHES NOMINAL IN, connection_style: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-187-2065, 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
3657-42-1
NSN: 4720-01-187-2065
NIINs: 011872065, 017235721
FSC: 4720 — Hose and Flexible Tubing
CAGE: 13859 — KING NUTRONICS CORPORATION DBA KING NUTRONICS (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) TUBE
seat_angle20.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.170 INCHES NOMINAL IN
connection_styleSWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END
outside_diameter0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedIDENTICAL ENDS
operating_pressure160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure250.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.438 INCHES FIRST END IN
NSN4720-01-187-2065
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3657-42-1 · 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: 16.000 INCHES NOMINAL OVERALL IN
•
MINIMUM INSIDE BENDING RADIUS: 1.000 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
OPERATING PRESSURE: 160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH16.000 INCHES NOMINAL OVERALL IN
MINIMUM INSIDE BENDING RADIUS1.000 INCHES IN
CONNECTION STYLESWIVEL NUT WITH LOOSE OR INTEGRAL CLINCH SLEEVE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
OPERATING PRESSURE160.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
FEATURES PROVIDEDIDENTICAL ENDS
THREAD DIRECTIONRIGHT-HAND FIRST END
SUBSTITUTES & CROSS-REFERENCES 1
3657-42Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3657-42-1?
3657-42-1 is a TUBING ASSEMBLY,NONMETALLIC.
What parts can replace 3657-42-1?
There is 1 known substitute for 3657-42-1: 3657-42. Substitute compatibility should be verified for your specific system.
What is the NSN for 3657-42-1?
3657-42-1 is cataloged in the U.S. Government catalog under NSN 4720-01-187-2065. This indicates validated use in U.S. government and defense supply chains.
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