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51185-30 — HOSE ASSEMBLY,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

51185-30: HOSE ASSEMBLY,AIR DUCT.

The HOSE ASSEMBLY,AIR DUCT is a the manufacturer industrial component. Key specifications include inside_diameter: 3.500 INCHES NOMINAL FIRST END IN, connection_style: ROUND BOTH ENDS, special_features: 2 ADAPTORS 1 MALE AND 1 FEMALE;6 HOSE CLAMPS;1 SCUFF COVER;1 DUCT, style_designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED, end_item_identification: 1740-01-376-1694, cross-sectional_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-472-6954, 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
51185-30
NSN: 4720-01-472-6954
FSC: 4720 — Hose and Flexible Tubing
CAGE: 98891 — HBD INDUSTRIES, INC (USA)
SPECIFICATIONS
inside_diameter3.500 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
special_features2 ADAPTORS 1 MALE AND 1 FEMALE;6 HOSE CLAMPS;1 SCUFF COVER;1 DUCT
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
end_item_identification1740-01-376-1694
cross-sectional_shape_styleROUND
measuring_method_and_length360.000 INCHES NOMINAL OVERALL IN
part_name_assigned_by_controlling_agencyHOSE ASSEMBLY, BLEED AIR
NSN4720-01-472-6954
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 51185-30 · 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
•
MEASURING METHOD AND LENGTH: 360.000 INCHES NOMINAL OVERALL IN
•
CONNECTION STYLE: ROUND BOTH ENDS
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
INSIDE DIAMETER: 3.500 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH360.000 INCHES NOMINAL OVERALL IN
CONNECTION STYLEROUND BOTH ENDS
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER3.500 INCHES NOMINAL FIRST END IN
SPECIAL FEATURES2 ADAPTORS 1 MALE AND 1 FEMALE;6 HOSE CLAMPS;1 SCUFF COVER;1 DUCT
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE ASSEMBLY, BLEED AIR
END ITEM IDENTIFICATION1740-01-376-1694
SUBSTITUTES & CROSS-REFERENCES 3
8446886Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
4720PL1141329Reference document
Same NSN cross-reference
Reference document — Informative reference only
FT-10591-30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51185-30?
51185-30 is a HOSE ASSEMBLY,AIR DUCT.
What parts can replace 51185-30?
There are 3 known substitutes for 51185-30: 8446886, 4720PL1141329, FT-10591-30. Substitute compatibility should be verified for your specific system.
What is the NSN for 51185-30?
51185-30 is cataloged in the U.S. Government catalog under NSN 4720-01-472-6954. This indicates validated use in U.S. government and defense supply chains.
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