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1644169 ✓ 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 inside_diameter: 1.000 INCHES NOMINAL IN, outside_diameter: 1.438 INCHES NOMINAL IN, burst_test_pressure: 2500.0 POUNDS PER SQUARE INCH LBS, end_item_identification: 3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM, measuring_method_and_length: 57.910 INCHES NOMINAL OVERALL IN, part_name_assigned_by_controlling_agency: 1 7/16 ORS X 58 SF/SF 2500 90 HOSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-538-4281, 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
1644169
NSN: 4720-01-538-4281
FSC: 4720
CAGE: 5X050 — CRYSTEEL MANUFACTURING, INC DBA CRYSTEEL MANUFACTURING INC (USA)
SPECIFICATIONS
inside_diameter1.000 INCHES NOMINAL IN
outside_diameter1.438 INCHES NOMINAL IN
burst_test_pressure2500.0 POUNDS PER SQUARE INCH LBS
end_item_identification3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
measuring_method_and_length57.910 INCHES NOMINAL OVERALL IN
part_name_assigned_by_controlling_agency1 7/16 ORS X 58 SF/SF 2500 90 HOSE
NSN4720-01-538-4281
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1644169 · 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
•
OUTSIDE DIAMETER: 1.438 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
BURST TEST PRESSURE: 2500.0 POUNDS PER SQUARE INCH LBS
•
MEASURING METHOD AND LENGTH: 57.910 INCHES NOMINAL OVERALL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.438 INCHES NOMINAL IN
INSIDE DIAMETER1.000 INCHES NOMINAL IN
BURST TEST PRESSURE2500.0 POUNDS PER SQUARE INCH LBS
END ITEM IDENTIFICATION3990-01-443-8024, ENGINEERING MISSION MODULE USED ON THE PALLETIZED LOADING SYSTEM
MEASURING METHOD AND LENGTH57.910 INCHES NOMINAL OVERALL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY1 7/16 ORS X 58 SF/SF 2500 90 HOSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
SG1524JInterchangeable
interchangeable cross-reference
interchangeable
SG9341/1524JInterchangeable
interchangeable cross-reference
interchangeable
162474-01Interchangeable
interchangeable cross-reference
interchangeable
405916Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1644169?
1644169 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 1644169?
There are 4 known substitutes for 1644169: SG1524J, SG9341/1524J, 162474-01 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1644169?
1644169 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-538-4281. 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