PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD781Hose,preformed

Hbd Industries, Inc Div Hbd/thermoid Inc · NSN 4720-00-730-5354 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-00-730-5354 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-730-5354. Primary manufacturer part number: AD781.
Features
  • Hose,preformed — FSC 4720
  • Bend Radius: 2.500 INCHES NOMINAL IN
  • Wall Thickness: 0.060 INCHES NOMINAL IN
  • Second Arm Length: 1.500 INCHES NOMINAL IN
  • First Arm Length: 1.500 INCHES NOMINAL IN
  • Working Length: 3.500 INCHES NOMINAL IN
  • Style Designator: SINGLE BEND
  • Material: RUBBER SYNTHETIC OVERALL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Hose,preformed, cataloged under National Stock Number 4720-00-730-5354, is classified within Federal Supply Class 4720 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Hbd Industries, Inc Div Hbd/thermoid Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-00-730-5354
Primary Part NumberAD781
Item NameHose,preformed
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerHbd Industries, Inc Div Hbd/thermoid Inc
StatusACTIVE
Bend Radius2.500 INCHES NOMINAL IN
Wall Thickness0.060 INCHES NOMINAL IN
Second Arm Length1.500 INCHES NOMINAL IN
First Arm Length1.500 INCHES NOMINAL IN
Working Length3.500 INCHES NOMINAL IN
Style DesignatorSINGLE BEND
MaterialRUBBER SYNTHETIC OVERALL
Inside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5815-00-356-3393SC-B-70177 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6210-00-555-651650731-2 INTERCHANGEABLE
Light Assembly,indicator
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
3130-00-586-0424 INTERCHANGEABLE
Bearing Unit,plain
5999-00-918-7443751378-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Bae Systems Information and Electronic Systems Integration Inc.
4730-01-043-374931530 INTERCHANGEABLE
Adapter,straight,tube to Boss
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5950-01-089-75695209-413 INTERCHANGEABLE
Transformer
Raytheon Company Div Rmd Strategic
3040-01-389-701950731 INTERCHANGEABLE
Adapter,spline
Danfoss Power Solutions (us) Company Dba Sauer-Danfoss Us Co
Cross-Reference Index
Part NumberManufacturer
AD781 PRIMARY Hbd Industries, Inc Div Hbd/thermoid Inc (USA)
751378-1 PRIMARY Lockheed Martin Corp (USA)
5073-1 PRIMARY Flexco, Inc (USA)
Related Parts
5815-00-356-3393INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SC-B-70177
6210-00-555-6516INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
50731-2
3130-00-586-0424INTERCHANGEABLE
BEARING UNIT,PLAIN
5999-00-918-7443INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
751378-1
4730-01-043-3749INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
31530
5950-01-089-7569INTERCHANGEABLE
TRANSFORMER
5209-413
3040-01-389-7019INTERCHANGEABLE
ADAPTER,SPLINE
50731

Frequently Asked Questions

What is NSN 4720-00-730-5354?

NSN 4720-00-730-5354 is a Hose,preformed, manufactured by Hbd Industries, Inc Div Hbd/thermoid Inc, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-00-730-5354?

NSN 4720-00-730-5354 has 3 cross-referenced part numbers: AD781 (Hbd Industries, Inc Div Hbd/thermoid Inc), 751378-1 (Lockheed Martin Corp), 5073-1 (Flexco, Inc).

What NSN replaces 4720-00-730-5354?

There are 7 known substitutes for 4720-00-730-5354: 5815-00-356-3393, 6210-00-555-6516, 3130-00-586-0424 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD781?

Key specifications for AD781: Bend Radius: 2.500 INCHES NOMINAL IN; Wall Thickness: 0.060 INCHES NOMINAL IN; Second Arm Length: 1.500 INCHES NOMINAL IN; First Arm Length: 1.500 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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