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CH1553 — HOSE,PREFORMED

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

CH1553: HOSE,PREFORMED.

The HOSE,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC COVER, bend_radius: 3.375 INCHES NOMINAL IN, wall_thickness: 0.203 INCHES NOMINAL IN, working_length: 7.000 INCHES NOMINAL IN, inside_diameter: 1.500 INCHES NOMINAL IN, first_arm_length: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-320-1602, 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
CH1553
NSN: 4720-00-320-1602
FSC: 4720 — Hose and Flexible Tubing
CAGE: 21868 — HBD INDUSTRIES, INC DIV HBD/THERMOID INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC COVER
bend_radius3.375 INCHES NOMINAL IN
wall_thickness0.203 INCHES NOMINAL IN
working_length7.000 INCHES NOMINAL IN
inside_diameter1.500 INCHES NOMINAL IN
first_arm_length5.000 INCHES NOMINAL IN
special_featuresW/INNER STEEL SPRING GUARD IN ID
style_designatorSINGLE BEND
second_arm_length6.750 INCHES NOMINAL IN
NSN4720-00-320-1602
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: CH1553 · 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
•
STYLE DESIGNATOR: SINGLE BEND
•
WALL THICKNESS: 0.203 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC COVER
•
BEND RADIUS: 3.375 INCHES NOMINAL IN
•
SECOND ARM LENGTH: 6.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSINGLE BEND
WALL THICKNESS0.203 INCHES NOMINAL IN
INSIDE DIAMETER1.500 INCHES NOMINAL IN
SPECIAL FEATURESW/INNER STEEL SPRING GUARD IN ID
MATERIALRUBBER SYNTHETIC COVER
MATERIALRUBBER SYNTHETIC OVERALL
BEND RADIUS3.375 INCHES NOMINAL IN
SECOND ARM LENGTH6.750 INCHES NOMINAL IN
WORKING LENGTH7.000 INCHES NOMINAL IN
FIRST ARM LENGTH5.000 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CH1553?
CH1553 is a HOSE,PREFORMED.
What is the NSN for CH1553?
CH1553 is cataloged in the U.S. Government catalog under NSN 4720-00-320-1602. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.