PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40003Hose,metallic

Walker Mfg Co · NSN 4720-01-018-6547 · FSC 4720 · No Item Name Available
Verified by PartsTable
NSN 4720-01-018-6547 — this item is cataloged by the U.S. Government under National Stock Number 4720-01-018-6547. Primary manufacturer part number: 40003.
Features
  • Hose,metallic — FSC 4720
  • Cross-Sectional Shape Style: ROUND
  • Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
  • Material: STEEL INNER CONVEYING TUBE
  • Inner Conveying Tube Style: INTERLOCKED PACKED
  • Outside Diameter: 1.875 INCHES NOMINAL IN
  • Inside Diameter: 1.750 INCHES NOMINAL IN
  • Layer Composition and Location: OUTER LAYER SPIRAL INTERLOCKED STEEL
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Inner Conveying Tube construction
General Description

The Hose,metallic, cataloged under National Stock Number 4720-01-018-6547, 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 Walker Mfg Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4720-01-018-6547
Primary Part Number40003
Item NameHose,metallic
FSC / FSG4720 / 47 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Cross-Sectional Shape StyleROUND
Media for Which DesignedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MaterialSTEEL INNER CONVEYING TUBE
Inner Conveying Tube StyleINTERLOCKED PACKED
Outside Diameter1.875 INCHES NOMINAL IN
Inside Diameter1.750 INCHES NOMINAL IN
Layer Composition and LocationOUTER LAYER SPIRAL INTERLOCKED STEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2940-00-007-4791325100 INTERCHANGEABLE
Filter Element,fluid
Deluxe Products Div Walker Mfg Co
3510-00-007-964340003 INTERCHANGEABLE
Cover,padding,commercial Laundry
Unipress Corporation
4730-00-068-65525600-6-6S INTERCHANGEABLE
Coupling Assembly,quick Disconne
Danfoss Power Solutions II, Llc
2910-00-431-0286M6588 INTERCHANGEABLE
Pump,fuel,cam Actuated
Federal-Mogul Corp Government Sales Dept
3030-00-432-99244000-3 INTERCHANGEABLE
Belt,flat
Rockland, Inc.
3455-00-554-731910420 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
6220-01-113-821040003 INTERCHANGEABLE
Light,dome
Truck-Lite Co., Llc
3040-01-181-568240003 INTERCHANGEABLE
Shaft,gear
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
3439-01-314-590740003 INTERCHANGEABLE
Flux,soldering
J. W. Harris Co., Inc.
6505-01-393-771840003 INTERCHANGEABLE
Skin Protective Cream,glove
Advanced Chemical Technology Inc
Cross-Reference Index
Part NumberManufacturer
40003 PRIMARY Walker Mfg Co (USA)
1026-30107 PC 6 Jbf Scientific Corp (USA)
FL175 Walker Mfg Co (USA)
Related Parts
2940-00-007-4791INTERCHANGEABLE
FILTER ELEMENT,FLUID
325100
3510-00-007-9643INTERCHANGEABLE
COVER,PADDING,COMMERCIAL LAUNDRY
40003
4730-00-068-6552INTERCHANGEABLE
COUPLING ASSEMBLY,QUICK DISCONNE
5600-6-6S
2910-00-431-0286INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
M6588
3030-00-432-9924INTERCHANGEABLE
BELT,FLAT
4000-3
3455-00-554-7319INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10420
6220-01-113-8210INTERCHANGEABLE
LIGHT,DOME
40003
3040-01-181-5682INTERCHANGEABLE
SHAFT,GEAR
40003
3439-01-314-5907INTERCHANGEABLE
FLUX,SOLDERING
40003
6505-01-393-7718INTERCHANGEABLE
SKIN PROTECTIVE CREAM,GLOVE
40003
8465-01-532-6423INTERCHANGEABLE
HYDRATION SYSTEM
40003

Frequently Asked Questions

What is NSN 4720-01-018-6547?

NSN 4720-01-018-6547 is a Hose,metallic, manufactured by Walker Mfg Co, classified under FSC 4720 (No Item Name Available). Status: active.

What are the part numbers for NSN 4720-01-018-6547?

NSN 4720-01-018-6547 has 3 cross-referenced part numbers: 40003 (Walker Mfg Co), 1026-30107 PC 6 (Jbf Scientific Corp), FL175 (Walker Mfg Co).

What NSN replaces 4720-01-018-6547?

There are 11 known substitutes for 4720-01-018-6547: 2940-00-007-4791, 3510-00-007-9643, 4730-00-068-6552 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40003?

Key specifications for 40003: Cross-Sectional Shape Style: ROUND; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Material: STEEL INNER CONVEYING TUBE; Inner Conveying Tube Style: INTERLOCKED PACKED. 7 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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