20-58163-3 — HOSE ASSEMBLY,AIR DUCT

✓ Government record, cited

— · PIPE SECTION

PRODUCT OVERVIEW

20-58163-3: HOSE ASSEMBLY,AIR DUCT.

The HOSE ASSEMBLY,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY, coupling_style: RAISED FACE FLANGE FIRST END, wall_thickness: 0.375 INCHES NOMINAL IN, connection_type: COUPLING FIRST END, inside_diameter: 3.000 INCHES NOMINAL FIRST END IN, special_features: FLANGED SIDE INLET; HEX STYLE; ALUMINUM; 2/6 BOLT HOLES 0.312 IN. DIA; INLET 2.781 IN.

ID IN. This part is cataloged in the U.S. Government catalog under NSN 4720-00-307-0396, 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

20-58163-3

NSN: 4720-00-307-0396
FSC: 4720 — Hose and Flexible Tubing
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY
coupling_style	RAISED FACE FLANGE FIRST END
wall_thickness	0.375 INCHES NOMINAL IN
connection_type	COUPLING FIRST END
inside_diameter	3.000 INCHES NOMINAL FIRST END IN
special_features	FLANGED SIDE INLET; HEX STYLE; ALUMINUM; 2/6 BOLT HOLES 0.312 IN. DIA; INLET 2.781 IN. ID IN
style_designator	FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
surface_treatment	ENAMEL FIRST END COUPLING
cross-sectional_shape_style	ROUND
measuring_method_and_length	16.250 INCHES NOMINAL OVERALL IN
NSN	4720-00-307-0396

COMPONENT DIAGRAM

KEY FEATURES

•

MEASURING METHOD AND LENGTH: 16.250 INCHES NOMINAL OVERALL IN

•

CONNECTION TYPE: COUPLING FIRST END

•

STYLE DESIGNATOR: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS

•

COUPLING STYLE: RAISED FACE FLANGE FIRST END

•

CROSS-SECTIONAL SHAPE STYLE: ROUND

•

WALL THICKNESS: 0.375 INCHES NOMINAL IN

•

INSIDE DIAMETER: 3.000 INCHES NOMINAL FIRST END IN

TECHNICAL CHARACTERISTICS

MEASURING METHOD AND LENGTH	16.250 INCHES NOMINAL OVERALL IN
CONNECTION TYPE	COUPLING FIRST END
STYLE DESIGNATOR	FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
COUPLING STYLE	RAISED FACE FLANGE FIRST END
CROSS-SECTIONAL SHAPE STYLE	ROUND
WALL THICKNESS	0.375 INCHES NOMINAL IN
INSIDE DIAMETER	3.000 INCHES NOMINAL FIRST END IN
SPECIAL FEATURES	FLANGED SIDE INLET; HEX STYLE; ALUMINUM; 2/6 BOLT HOLES 0.312 IN. DIA; INLET 2.781 IN. ID IN
SURFACE TREATMENT	ENAMEL FIRST END COUPLING
MATERIAL	FIBERGLASS AND RUBBER CHLOROPRENE CLASS CR SECOND PLY

SUBSTITUTES & CROSS-REFERENCES 2

91065Reference document

Same NSN cross-reference

Reference document — Secondary reference

AL581-33Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 20-58163-3?

20-58163-3 is a HOSE ASSEMBLY,AIR DUCT.

What parts can replace 20-58163-3?

There are 2 known substitutes for 20-58163-3: 91065, AL581-33. Substitute compatibility should be verified for your specific system.

What is the NSN for 20-58163-3?

20-58163-3 is cataloged in the U.S. Government catalog under NSN 4720-00-307-0396. This indicates validated use in U.S. government and defense supply chains.

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