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Technical Data Sheet
PartsTable / COMPONENT / S377-4-0100
S377-4-0100 ✓ 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 seat_angle: 37.0 DEGREES FIRST END, temp_rating: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, inside_diameter: 0.188 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 4720-00-620-3700, 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
S377-4-0100
NSN: 4720-00-620-3700
FSC: 4720
CAGE: 78570 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter0.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND FIRST END
features_providedELECTROSTATIC DISCHARGE CAPABILITY
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
nominal_thread_size0.438 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
NSN4720-00-620-3700
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: S377-4-0100 · 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
INSIDE SURFACE CONDITION: SMOOTH
•
OUTER COVERING ENVIRONMENTAL PROTECTION: ABRASION RESISTANT AND CORROSION RESISTANT
•
MEASURING METHOD AND LENGTH: 10.000 INCHES NOMINAL WORKING IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
HYDROSTATIC TEST PRESSURE: 3000.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING-65.0 FAHRENHEIT AND 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
END CONNECTION DESIGNSTRAIGHT FIRST END
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
INSIDE SURFACE CONDITIONSMOOTH
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT AND CORROSION RESISTANT
MEASURING METHOD AND LENGTH10.000 INCHES NOMINAL WORKING IN
CROSS-SECTIONAL SHAPE STYLEROUND
HYDROSTATIC TEST PRESSURE3000.0 POUNDS PER SQUARE INCH LBS
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
FEATURES PROVIDEDELECTROSTATIC DISCHARGE CAPABILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS8000E100AInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-25579Interchangeable
interchangeable cross-reference
interchangeable
S-377Interchangeable
interchangeable cross-reference
interchangeable
S2554441-8-0254Interchangeable
interchangeable cross-reference
interchangeable
L666000-8-0254Interchangeable
interchangeable cross-reference
interchangeable
S2554441Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S377-4-0100?
S377-4-0100 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace S377-4-0100?
There are 13 known substitutes for S377-4-0100: MS8000E100A, MIL-DTL-25579, S-377 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S377-4-0100?
S377-4-0100 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-620-3700. 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