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BH738 ✓ Verified by PartsTable
— · 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 ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include flow_angle: 90.0 DEGREES SECOND END, flange_style: RECTANGULAR (INCLUDES SQUARE) FIRST END, flange_width: 2.460 INCHES NOMINAL SECOND END IN, flange_length: 2.460 INCHES NOMINAL SECOND END IN, exterior_color: NATURAL, connection_type: PLAIN FACE FLANGE SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-731-2804, 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
BH738
NSN: 4720-00-731-2804
FSC: 4720
CAGE: 08484 — BREEZE-EASTERN LLC (USA)
SPECIFICATIONS
flow_angle90.0 DEGREES SECOND END
flange_styleRECTANGULAR (INCLUDES SQUARE) FIRST END
flange_width2.460 INCHES NOMINAL SECOND END IN
flange_length2.460 INCHES NOMINAL SECOND END IN
exterior_colorNATURAL
connection_typePLAIN FACE FLANGE SECOND END
inside_diameter1.380 INCHES NOMINAL IN
connection_stylePLAIN SWIVEL SECOND END
flange_thickness0.360 INCHES NOMINAL FIRST END IN
outside_diameter2.290 INCHES NOMINAL IN
bolt_hole_diameter0.266 INCHES NOMINAL SECOND END IN
bolt_hole_quantity4 SECOND END
NSN4720-00-731-2804
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: BH738 · 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: PLAIN SWIVEL SECOND END
•
FLANGE WIDTH: 2.460 INCHES NOMINAL SECOND END IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 1.808 INCHES NOMINAL FIRST END IN
•
BOLT HOLE DIAMETER: 0.266 INCHES NOMINAL FIRST END IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 2.290 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN SWIVEL SECOND END
FLANGE WIDTH2.460 INCHES NOMINAL SECOND END IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.808 INCHES NOMINAL FIRST END IN
FLANGE WIDTH2.460 INCHES NOMINAL FIRST END IN
BOLT HOLE DIAMETER0.266 INCHES NOMINAL FIRST END IN
CONNECTION STYLEPLAIN SWIVEL FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER2.290 INCHES NOMINAL IN
BOLT HOLE QUANTITY4 FIRST END
FLANGE LENGTH2.460 INCHES NOMINAL FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
106191Interchangeable
interchangeable cross-reference
interchangeable
280-1145P109Interchangeable
interchangeable cross-reference
interchangeable
4601-304-49Interchangeable
interchangeable cross-reference
interchangeable
04-1261Interchangeable
interchangeable cross-reference
interchangeable
A200017Interchangeable
Same NIIN cross-reference
interchangeable
SK-H865171-AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BH738?
BH738 is a HOSE ASSEMBLY,METALLIC.
What parts can replace BH738?
There are 7 known substitutes for BH738: 106191, 280-1145P109, 4601-304-49 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BH738?
BH738 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-731-2804. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026