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3R3975 — HOSE ASSEMBLY,NONMETALLIC

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

3R3975: HOSE ASSEMBLY,NONMETALLIC.

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: SWIVEL NUT FLARE FIRST END, outside_diameter: 1.188 INCHES NOMINAL IN, special_features: INNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC, thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-948-9741, 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
3R3975
NSN: 4720-00-948-9741
FSC: 4720 — Hose and Flexible Tubing
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleSWIVEL NUT FLARE FIRST END
outside_diameter1.188 INCHES NOMINAL IN
special_featuresINNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
thread_directionRIGHT-HAND FIRST END
nominal_thread_size1.062 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
cross-sectional_shape_styleROUND
measuring_method_and_length10.500 INCHES NOMINAL OVERALL IN
NSN4720-00-948-9741
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3R3975 · 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: 10.500 INCHES NOMINAL OVERALL IN
•
FITTING COMPONENT AND SURFACE TREATMENT: COMPLETE FITTING CADMIUM FIRST END
•
CONNECTION STYLE: SWIVEL NUT FLARE FIRST END
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 1.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH10.500 INCHES NOMINAL OVERALL IN
FITTING COMPONENT AND SURFACE TREATMENTCOMPLETE FITTING CADMIUM FIRST END
CONNECTION STYLESWIVEL NUT FLARE FIRST END
END CONNECTION DESIGNSTRAIGHT FIRST END
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, SYNTHETIC
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER1.188 INCHES NOMINAL IN
END FITTING COMPONENT AND MATERIALCOMPLETE FITTING STEEL ALL ENDS
THREAD DIRECTIONRIGHT-HAND FIRST END
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
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 3R3975?
3R3975 is a HOSE ASSEMBLY,NONMETALLIC.
What is the NSN for 3R3975?
3R3975 is cataloged in the U.S. Government catalog under NSN 4720-00-948-9741. This indicates validated use in U.S. government and defense supply chains.
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