PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S153-1664Conduit,metal,flexible

Smiths Tubular Systems-Laconia, Inc. · NSN 5975-00-281-0426 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-281-0426 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-281-0426. Primary manufacturer part number: S153-1664.
Features
  • Conduit,metal,flexible — FSC 5975
  • Trade Size: 0.250
  • Minimum Inside Bending Radius: 2.000 INCHES IN
  • Braided Metallic Shield Type: TINNED BRONZE WIRE
  • Nondefinitive Spec/std Data: B GRADE AND 1 TYPE
  • Material: COPPER ALLOY BODY
  • Style Designator: PLAIN CONVOLUTED CONDUIT
  • Outside Diameter: 0.383 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Conduit,metal,flexible, cataloged under National Stock Number 5975-00-281-0426, 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 Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5975-00-281-0426
Primary Part NumberS153-1664
Item NameConduit,metal,flexible
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerSmiths Tubular Systems-Laconia, Inc.
StatusCANCELLED
Trade Size0.250
Minimum Inside Bending Radius2.000 INCHES IN
Braided Metallic Shield TypeTINNED BRONZE WIRE
Nondefinitive Spec/std DataB GRADE AND 1 TYPE
MaterialCOPPER ALLOY BODY
Style DesignatorPLAIN CONVOLUTED CONDUIT
Outside Diameter0.383 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionWATERPROOF
Inside Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5975-00-132-9472 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-132-9473 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-132-9474 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-132-9475 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-285-6079175-0500 INTERCHANGEABLE
Conduit,metal,flexible
Dcx-Chol Enterprises, Inc.
5975-00-350-5098202828 INTERCHANGEABLE
Conduit Assembly,metal,flexible
Renk America Llc Div Renk America
5975-00-350-9289 INTERCHANGEABLE
Conduit,metal,flexible
5975-00-916-8396 INTERCHANGEABLE
Conduit,metal,flexible
Cross-Reference Index
Part NumberManufacturer
S153-1664 Smiths Tubular Systems-Laconia, Inc. (USA)
A-A-52440-1B-1 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-52440 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
175-0250 Dcx-Chol Enterprises, Inc. (USA)
S152-1664 Smiths Tubular Systems-Laconia, Inc. (USA)
MIL-C-13909 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5975-00-132-9472INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-132-9473INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-132-9474INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-132-9475INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-285-6079INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
175-0500
5975-00-350-5098INTERCHANGEABLE
CONDUIT ASSEMBLY,METAL,FLEXIBLE
202828
5975-00-350-9289INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
5975-00-916-8396INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE

Frequently Asked Questions

What is NSN 5975-00-281-0426?

NSN 5975-00-281-0426 is a Conduit,metal,flexible, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 5975 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5975-00-281-0426?

NSN 5975-00-281-0426 has 6 cross-referenced part numbers: S153-1664 (Smiths Tubular Systems-Laconia, Inc.), A-A-52440-1B-1 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-52440 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 175-0250 (Dcx-Chol Enterprises, Inc.), S152-1664 (Smiths Tubular Systems-Laconia, Inc.) and 1 more.

What NSN replaces 5975-00-281-0426?

There are 8 known substitutes for 5975-00-281-0426: 5975-00-132-9472, 5975-00-132-9473, 5975-00-132-9474 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S153-1664?

Key specifications for S153-1664: Trade Size: 0.250; Minimum Inside Bending Radius: 2.000 INCHES IN; Braided Metallic Shield Type: TINNED BRONZE WIRE; Nondefinitive Spec/std Data: B GRADE AND 1 TYPE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5975-00-281-0426 still in active supply?

NSN 5975-00-281-0426 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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