PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HWS-3/4Conduit,metal,flexible

International Metal Hose Co · NSN 5975-00-878-5154 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-878-5154 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-878-5154. Primary manufacturer part number: HWS-3/4.
Features
  • Conduit,metal,flexible — FSC 5975
  • Hazardous Locations/environmental Protection: FLAME RESISTANT
  • Material: STEEL OVERALL
  • Minimum Inside Bending Radius: 4.000 INCHES IN
  • Inside Diameter: 0.812 INCHES NOMINAL IN
  • Outside Diameter: 1.105 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
  • Trade Size: 0.750
Applications
  • Applications requiring Steel Overall construction
General Description

The Conduit,metal,flexible, cataloged under National Stock Number 5975-00-878-5154, is classified within Federal Supply Class 5975 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is International Metal Hose Co. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-878-5154
Primary Part NumberHWS-3/4
Item NameConduit,metal,flexible
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerInternational Metal Hose Co
StatusCANCELLED
Hazardous Locations/environmental ProtectionFLAME RESISTANT
MaterialSTEEL OVERALL
Minimum Inside Bending Radius4.000 INCHES IN
Inside Diameter0.812 INCHES NOMINAL IN
Outside Diameter1.105 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Trade Size0.750
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-178-1192 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-178-1223 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-178-1225 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-245-9626 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-281-0431 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-284-6428 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-284-6429 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-284-7004 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-284-7005 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-519-9006 INTERCHANGEABLE
Conduit,metal,flexible
Cross-Reference Index
Part NumberManufacturer
HWS-3/4 PRIMARY International Metal Hose Co (USA)
3-4SEALTITE Arco Metals Co Div of Atlantic Richfield Co (USA)
WWC566 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5975-00-178-1192INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-178-1223INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-178-1225INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-245-9626INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-281-0431INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-284-6428INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-284-6429INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-284-7004INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-284-7005INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-519-9006INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-878-4879INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-878-5153INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE

Frequently Asked Questions

What is NSN 5975-00-878-5154?

NSN 5975-00-878-5154 is a Conduit,metal,flexible, manufactured by International Metal Hose Co, classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-878-5154?

NSN 5975-00-878-5154 has 3 cross-referenced part numbers: HWS-3/4 (International Metal Hose Co), 3-4SEALTITE (Arco Metals Co Div of Atlantic Richfield Co), WWC566 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 5975-00-878-5154?

There are 12 known substitutes for 5975-00-878-5154: 5975-00-178-1192, 5975-00-178-1223, 5975-00-178-1225 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HWS-3/4?

Key specifications for HWS-3/4: Hazardous Locations/environmental Protection: FLAME RESISTANT; Material: STEEL OVERALL; Minimum Inside Bending Radius: 4.000 INCHES IN; Inside Diameter: 0.812 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-878-5154 still in active supply?

NSN 5975-00-878-5154 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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