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Technical Data Sheet
PartsTable / COMPONENT / 1643701
1643701 ✓ 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 special_features: BOTH ENDS: JIC-16 SWIVEL FEMALE (1 5/16-12 JICF); INCLUDES WOVEN NYLON HOSE GUARD; HOSE ID = 1.000", operating_pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS, end_item_identification: 3990-01-443-8024, measuring_method_and_length: 63.000 INCHES NOMINAL OVERALL IN, part_name_assigned_by_controlling_agency: HOSE 1 5/16 JIC X 63 SF/SF 2500 90. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-538-3545, 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
1643701
NSN: 4720-01-538-3545
FSC: 4720
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
special_featuresBOTH ENDS: JIC-16 SWIVEL FEMALE (1 5/16-12 JICF); INCLUDES WOVEN NYLON HOSE GUARD; HOSE ID = 1.000"
operating_pressure2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
end_item_identification3990-01-443-8024
measuring_method_and_length63.000 INCHES NOMINAL OVERALL IN
part_name_assigned_by_controlling_agencyHOSE 1 5/16 JIC X 63 SF/SF 2500 90
NSN4720-01-538-3545
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1643701 · 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: 63.000 INCHES NOMINAL OVERALL IN
•
OPERATING PRESSURE: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE 1 5/16 JIC X 63 SF/SF 2500 90
MEASURING METHOD AND LENGTH63.000 INCHES NOMINAL OVERALL IN
OPERATING PRESSURE2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
END ITEM IDENTIFICATION3990-01-443-8024
SPECIAL FEATURESBOTH ENDS: JIC-16 SWIVEL FEMALE (1 5/16-12 JICF); INCLUDES WOVEN NYLON HOSE GUARD; HOSE ID = 1.000"
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
APD-603Interchangeable
interchangeable cross-reference
interchangeable
42426Interchangeable
interchangeable cross-reference
interchangeable
403844Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1643701?
1643701 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 1643701?
There are 3 known substitutes for 1643701: APD-603, 42426, 403844. Substitute compatibility should be verified for your specific system.
What is the NSN for 1643701?
1643701 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-538-3545. 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.
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Last verified: July 2026