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3751-90-109-1532 — ADAPTER,STRAIGHT,FLANGE TO HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3751-90-109-1532: ADAPTER,STRAIGHT,FLANGE TO HOSE.

ADAPTER,STRAIGHT,FLANGE TO HOSE. Key specifications include material: ALUMINUM ALLOY BODY, flange_shape: ROUND WITH HOLES FIRST END, connection_type: THREADED EXTERNAL HOSE GRIPPING SECOND END, mounting_end_type: FLAT, nominal_thickness: 0.44 INCHES ALL ENDS IN, bolt_hole_quantity: 4 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-656-4812, 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
3751-90-109-1532
NSN: 4730-01-656-4812
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01276 — DANFOSS POWER SOLUTIONS II, LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
flange_shapeROUND WITH HOLES FIRST END
connection_typeTHREADED EXTERNAL HOSE GRIPPING SECOND END
mounting_end_typeFLAT
nominal_thickness0.44 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designPLAIN FIRST END
nominal_outside_diameter5.0 INCHES ALL ENDS IN
bolt_hole_nominal_diameter0.62 INCHES ALL ENDS IN
bolt_circle_nominal_diameter3.88 INCHES ALL ENDS IN
part_name_assigned_by_controlling_agencyHOSE FITTING, MEDIUM PRESSURE
nominal_inside_diameter_hose_accommodated1.75 INCHES SECOND END IN
NSN4730-01-656-4812
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3751-90-109-1532 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE SHAPE: ROUND WITH HOLES FIRST END
•
MOUNTING END TYPE: FLAT
•
FLANGE FACE DESIGN: PLAIN FIRST END
•
BOLT CIRCLE NOMINAL DIAMETER: 3.88 INCHES ALL ENDS IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.75 INCHES SECOND END IN
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING SECOND END
•
BOLT HOLE NOMINAL DIAMETER: 0.62 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND WITH HOLES FIRST END
MOUNTING END TYPEFLAT
FLANGE FACE DESIGNPLAIN FIRST END
BOLT CIRCLE NOMINAL DIAMETER3.88 INCHES ALL ENDS IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.75 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING SECOND END
CONNECTION TYPEFLANGE FIRST END
BOLT HOLE NOMINAL DIAMETER0.62 INCHES ALL ENDS IN
NOMINAL OUTSIDE DIAMETER5.0 INCHES ALL ENDS IN
BOLT HOLE QUANTITY4 ALL ENDS
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3751-90-109-1532?
3751-90-109-1532 is a ADAPTER,STRAIGHT,FLANGE TO HOSE.
What is the NSN for 3751-90-109-1532?
3751-90-109-1532 is cataloged in the U.S. Government catalog under NSN 4730-01-656-4812. This indicates validated use in U.S. government and defense supply chains.
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