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4D3-0300-0304 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

4D3-0300-0304: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER SILICONE CLASS Q FOURTH PLY, wall_thickness: 0.090 INCHES MAXIMUM IN, connection_type: PREFORMED BOTH ENDS, inside_diameter: 3.000 INCHES NOMINAL FIRST END IN, connection_style: ROUND FIRST END, style_designator: SLEEVE SECTION. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-816-6958, 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
4D3-0300-0304
NSN: 4720-00-816-6958
FSC: 4720 — Hose and Flexible Tubing
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER SILICONE CLASS Q FOURTH PLY
wall_thickness0.090 INCHES MAXIMUM IN
connection_typePREFORMED BOTH ENDS
inside_diameter3.000 INCHES NOMINAL FIRST END IN
connection_styleROUND FIRST END
style_designatorSLEEVE SECTION
features_providedOZONE RESISTANT
end_overall_length0.875 INCHES NOMINAL BOTH ENDS IN
operating_pressure40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter3.000 INCHES NOMINAL BOTH ENDS IN
cross-sectional_shape_styleROUND
measuring_method_and_length3.250 INCHES NOMINAL OVERALL IN
NSN4720-00-816-6958
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 4D3-0300-0304 · 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: 3.250 INCHES NOMINAL OVERALL IN
•
CONNECTION STYLE: ROUND FIRST END
•
CONNECTION TYPE: PREFORMED BOTH ENDS
•
STYLE DESIGNATOR: SLEEVE SECTION
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
WALL THICKNESS: 0.090 INCHES MAXIMUM IN
•
OPERATING PRESSURE: 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
FEATURES PROVIDED: OZONE RESISTANT
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH3.250 INCHES NOMINAL OVERALL IN
CONNECTION STYLEROUND FIRST END
CONNECTION TYPEPREFORMED BOTH ENDS
STYLE DESIGNATORSLEEVE SECTION
CROSS-SECTIONAL SHAPE STYLEROUND
WALL THICKNESS0.090 INCHES MAXIMUM IN
OPERATING PRESSURE40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
FEATURES PROVIDEDOZONE RESISTANT
INSIDE DIAMETER3.000 INCHES NOMINAL FIRST END IN
END OVERALL LENGTH0.875 INCHES NOMINAL BOTH ENDS IN
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4D3-0300-0304?
4D3-0300-0304 is a HOSE,AIR DUCT.
What is the NSN for 4D3-0300-0304?
4D3-0300-0304 is cataloged in the U.S. Government catalog under NSN 4720-00-816-6958. This indicates validated use in U.S. government and defense supply chains.
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