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BE403 — Technical Data Sheet

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— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER SECOND PLY, hose_weight: 3.200 OUNCES PER LINEAR FOOT OZ, wall_thickness: 0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN, connection_type: SOFT BOTH ENDS, inside_diameter: 1.500 INCHES NOMINAL FIRST END IN, connection_style: ROUND FIRST END. This part is cataloged in the Federal Logistics Information System under NSN 4720-00-810-9173, 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
BE403
NSN: 4720-00-810-9173
FSC: 4720
CAGE: 98776 — BEMCO INC DBA BEMCO (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER SECOND PLY
hose_weight3.200 OUNCES PER LINEAR FOOT OZ
wall_thickness0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
connection_typeSOFT BOTH ENDS
inside_diameter1.500 INCHES NOMINAL FIRST END IN
connection_styleROUND FIRST END
special_featuresU/O B-52
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
end_overall_length0.250 INCHES NOMINAL BOTH ENDS IN
end_inside_diameter1.500 INCHES NOMINAL BOTH ENDS IN
cross-sectional_shape_styleROUND
measuring_method_and_length3.000 INCHES NOMINAL OVERALL IN
NSN4720-00-810-9173
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: BE403 · 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
•
CONNECTION STYLE: ROUND FIRST END
•
MATERIAL: FIBERGLASS AND RUBBER FIRST PLY
•
WALL THICKNESS: 0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
CONNECTION TYPE: SOFT BOTH ENDS
•
END OVERALL LENGTH: 0.250 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEROUND FIRST END
MATERIALFIBERGLASS AND RUBBER FIRST PLY
WALL THICKNESS0.040 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEROUND
CONNECTION TYPESOFT BOTH ENDS
END OVERALL LENGTH0.250 INCHES NOMINAL BOTH ENDS IN
MATERIALFIBERGLASS AND RUBBER SECOND PLY
MATERIALFIBERGLASS AND RUBBER THIRD PLY
HOSE WEIGHT3.200 OUNCES PER LINEAR FOOT OZ
MATERIALFIBERGLASS REINFORCING WIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
USM1008-0001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10-20353InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4782-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
0BW147-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BE403-4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MM-C0005-004InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BE403?
BE403 is a HOSE,AIR DUCT.
What parts can replace BE403?
There are 18 known substitutes for BE403: USM1008-0001, 10-20353, 4782-1 and 15 more. Substitute compatibility should be verified for your specific system.
Is BE403 still available?
BE403 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026