HC21420-87 — HOSE,AIR DUCT,AIR BREATHING

✓ Government record, cited

— · PIPE SECTION

PRODUCT OVERVIEW

HC21420-87: HOSE,AIR DUCT,AIR BREATHING.

The HOSE,AIR DUCT,AIR BREATHING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC THIRD PLY, wall_thickness: 0.125 INCHES NOMINAL IN, connection_type: SOFT BOTH ENDS, inside_diameter: 1.250 INCHES NOMINAL FIRST END IN, connection_style: ROUND BOTH ENDS, style_designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-355-3310, 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

HC21420-87

NSN: 4720-01-355-3310
FSC: 4720 — Hose and Flexible Tubing
CAGE: 13560 — HERBERT COOPER CO INC (USA)

SPECIFICATIONS

material	RUBBER SYNTHETIC THIRD PLY
wall_thickness	0.125 INCHES NOMINAL IN
connection_type	SOFT BOTH ENDS
inside_diameter	1.250 INCHES NOMINAL FIRST END IN
connection_style	ROUND BOTH ENDS
style_designator	HELICALLY WOUND CONTINOUS WIRE SUPPORTED
features_provided	ABRASION RESISTANT
end_overall_length	1.250 INCHES NOMINAL BOTH ENDS IN
end_inside_diameter	1.250 INCHES NOMINAL BOTH ENDS IN
end_item_identification	HOWITZER,MEDIUM,SELF-PROPELLED,INDUSTRIAL DESIGN LABORATORY
cross-sectional_shape_style	ROUND
measuring_method_and_length	87.000 INCHES NOMINAL OVERALL IN
NSN	4720-01-355-3310

COMPONENT DIAGRAM

KEY FEATURES

•

MEASURING METHOD AND LENGTH: 87.000 INCHES NOMINAL OVERALL IN

•

CONNECTION STYLE: ROUND BOTH ENDS

•

CONNECTION TYPE: SOFT BOTH ENDS

•

STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED

•

CROSS-SECTIONAL SHAPE STYLE: ROUND

•

WALL THICKNESS: 0.125 INCHES NOMINAL IN

•

FEATURES PROVIDED: ABRASION RESISTANT

•

INSIDE DIAMETER: 1.250 INCHES NOMINAL FIRST END IN

TECHNICAL CHARACTERISTICS

MEASURING METHOD AND LENGTH	87.000 INCHES NOMINAL OVERALL IN
CONNECTION STYLE	ROUND BOTH ENDS
CONNECTION TYPE	SOFT BOTH ENDS
STYLE DESIGNATOR	HELICALLY WOUND CONTINOUS WIRE SUPPORTED
CROSS-SECTIONAL SHAPE STYLE	ROUND
WALL THICKNESS	0.125 INCHES NOMINAL IN
FEATURES PROVIDED	ABRASION RESISTANT
INSIDE DIAMETER	1.250 INCHES NOMINAL FIRST END IN
END OVERALL LENGTH	1.250 INCHES NOMINAL BOTH ENDS IN
END INSIDE DIAMETER	1.250 INCHES NOMINAL BOTH ENDS IN

SUBSTITUTES & CROSS-REFERENCES 2

12553478Reference document

Same NSN cross-reference

Reference document — Secondary reference

12553478-2Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HC21420-87?

HC21420-87 is a HOSE,AIR DUCT,AIR BREATHING.

What parts can replace HC21420-87?

There are 2 known substitutes for HC21420-87: 12553478, 12553478-2. Substitute compatibility should be verified for your specific system.

What is the NSN for HC21420-87?

HC21420-87 is cataloged in the U.S. Government catalog under NSN 4720-01-355-3310. This indicates validated use in U.S. government and defense supply chains.

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HC21420-87 — HOSE,AIR DUCT,AIR BREATHING

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