The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER NEOPRENE ALL PLIES, temp_rating: -54.0 CELSIUS AND 149.0 CELSIUS DEGC, wall_thickness: 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, connection_type: PREFORMED BOTH ENDS, inside_diameter: 4.000 INCHES NOMINAL BOTH ENDS IN, connection_style: ROUND BOTH ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4720-01-161-8218, 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
D-4639-3
NSN:4720-01-161-8218 FSC:4720 — Hose and Flexible Tubing CAGE:75345 — KIRKHILL, INC. DBA KIRKHILL INC (USA)
SPECIFICATIONS
material
FIBERGLASS AND RUBBER NEOPRENE ALL PLIES
temp_rating
-54.0 CELSIUS AND 149.0 CELSIUS DEGC
wall_thickness
0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
connection_type
PREFORMED BOTH ENDS
inside_diameter
4.000 INCHES NOMINAL BOTH ENDS IN
connection_style
ROUND BOTH ENDS
outside_diameter
4.500 INCHES NOMINAL BOTH ENDS IN
special_features
5 EXTERNAL AND 6 INTERNAL REINFORCING RINGS
style_designator
FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
end_overall_length
1.250 INCHES NOMINAL BOTH ENDS IN
operating_pressure
15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter
4.000 INCHES NOMINAL BOTH ENDS IN
NSN
4720-01-161-8218
COMPONENT DIAGRAM
KEY FEATURES
•
MEASURING METHOD AND LENGTH: 5.000 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -54.0 CELSIUS AND 149.0 CELSIUS DEGC
•
CONNECTION STYLE: ROUND BOTH ENDS
•
CONNECTION TYPE: PREFORMED BOTH ENDS
•
STYLE DESIGNATOR: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
WALL THICKNESS: 0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 4.500 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH
5.000 INCHES NOMINAL OVERALL IN
TEMP RATING
-54.0 CELSIUS AND 149.0 CELSIUS DEGC
CONNECTION STYLE
ROUND BOTH ENDS
CONNECTION TYPE
PREFORMED BOTH ENDS
STYLE DESIGNATOR
FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
CROSS-SECTIONAL SHAPE STYLE
ROUND
WALL THICKNESS
0.020 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
OUTSIDE DIAMETER
4.500 INCHES NOMINAL BOTH ENDS IN
OPERATING PRESSURE
15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
INSIDE DIAMETER
4.000 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.
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FREQUENTLY ASKED QUESTIONS
What is D-4639-3?
D-4639-3 is a HOSE,AIR DUCT.
What parts can replace D-4639-3?
There is 1 known substitute for D-4639-3: GH510AY3. Substitute compatibility should be verified for your specific system.
What is the NSN for D-4639-3?
D-4639-3 is cataloged in the U.S. Government catalog under NSN 4720-01-161-8218. This indicates validated use in U.S. government and defense supply chains.
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