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Technical Data Sheet
PartsTable / COMPONENT / FLX3750
FLX3750 ✓ 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 material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: RECESSED, seal_width: 8.0 MILLIMETERS NOMINAL MM, outside_diameter: 90.2 MILLIMETERS NOMINAL MM, special_features: RUBBER BASE PAINT/BORE-TITE/CAGEC 80201, surface_treatment: PAINT CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-175-4861, 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
FLX3750
NSN: 4720-01-175-4861
FSC: 4720
CAGE: 1DY25 — FLEX ENTERPRISES INC. (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleRECESSED
seal_width8.0 MILLIMETERS NOMINAL MM
outside_diameter90.2 MILLIMETERS NOMINAL MM
special_featuresRUBBER BASE PAINT/BORE-TITE/CAGEC 80201
surface_treatmentPAINT CASE
housing_bore_diameter90.0 MILLIMETERS NOMINAL MM
sealing_element_styleVERTICAL
accommodated_shaft_diameter68.0 MILLIMETERS NOMINAL MM
NSN4720-01-175-4861
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: FLX3750 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
34208Interchangeable
interchangeable cross-reference
interchangeable
26650Interchangeable
interchangeable cross-reference
interchangeable
26650-1Interchangeable
interchangeable cross-reference
interchangeable
26650-0Interchangeable
interchangeable cross-reference
interchangeable
551189Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FLX3750?
FLX3750 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace FLX3750?
There are 7 known substitutes for FLX3750: 34208, 26650, 26650-1 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FLX3750?
FLX3750 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-175-4861. 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