PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C12-4Conduit,metal,flexible

Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense · NSN 5975-00-281-0557 · FSC 5975 · No Item Name Available
Verified by PartsTable
NSN 5975-00-281-0557 — this item is cataloged by the U.S. Government under National Stock Number 5975-00-281-0557. Primary manufacturer part number: C12-4.
Features
  • Conduit,metal,flexible — FSC 5975
  • Trade Size: 0.188
  • Braided Metallic Shield Type: BRONZE RIBBON AND BRONZE WIRE
  • Minimum Inside Bending Radius: 1.125 INCHES IN
  • Material: SOLDER FLEXIBLE JOINT PACKING
  • Material: COPPER ALLOY BODY
  • Style Designator: PLAIN CONVOLUTED CONDUIT
  • Outside Diameter: 0.360 INCHES NOMINAL IN
Applications
  • Applications requiring Solder Flexible Joint Packing construction
General Description

The Conduit,metal,flexible, cataloged under National Stock Number 5975-00-281-0557, 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 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5975-00-281-0557
Primary Part NumberC12-4
Item NameConduit,metal,flexible
FSC / FSG5975 / 59 — No Item Name Available
ManufacturerPage Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense
StatusACTIVE
Trade Size0.188
Braided Metallic Shield TypeBRONZE RIBBON AND BRONZE WIRE
Minimum Inside Bending Radius1.125 INCHES IN
MaterialSOLDER FLEXIBLE JOINT PACKING
MaterialCOPPER ALLOY BODY
Style DesignatorPLAIN CONVOLUTED CONDUIT
Outside Diameter0.360 INCHES NOMINAL IN
Inside Diameter0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-186-9763 INTERCHANGEABLE
Transformer,power
3040-00-223-6250C124 INTERCHANGEABLE
Collar,shaft
Designatronics Incorporated Div Sterling Instruments Div
3020-00-352-6002 INTERCHANGEABLE
Gear,internal
5360-00-626-6203C124 INTERCHANGEABLE
Spring,helical,compression
Andrea Systems Llc
5865-00-885-92981395404 INTERCHANGEABLE
Clamp,gear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4730-00-893-3135CGA-032(R.H.) INTERCHANGEABLE
Adapter,straight,pipe to Gas Fit
Western Enterprises Div of Scott and Fetzer Co
4320-01-202-0355S13-41264 INTERCHANGEABLE
Control,rate of Flow,pump
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5140-01-261-9923C1204 INTERCHANGEABLE
Roll,tools and Accessories
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
S154-1264 Smiths Tubular Systems-Laconia, Inc. (USA)
S154-1264 Vse Aviation, Inc. (USA)
C12-4 PRIMARY Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
Related Parts
5950-00-186-9763INTERCHANGEABLE
TRANSFORMER,POWER
3040-00-223-6250INTERCHANGEABLE
COLLAR,SHAFT
C124
3020-00-352-6002INTERCHANGEABLE
GEAR,INTERNAL
5360-00-626-6203INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
C124
5865-00-885-9298INTERCHANGEABLE
CLAMP,GEAR
1395404
4730-00-893-3135INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO GAS FIT
CGA-032(R.H.)
4320-01-202-0355INTERCHANGEABLE
CONTROL,RATE OF FLOW,PUMP
S13-41264
5140-01-261-9923INTERCHANGEABLE
ROLL,TOOLS AND ACCESSORIES
C1204

Frequently Asked Questions

What is NSN 5975-00-281-0557?

NSN 5975-00-281-0557 is a Conduit,metal,flexible, manufactured by Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense, classified under FSC 5975 (No Item Name Available). Status: active.

What are the part numbers for NSN 5975-00-281-0557?

NSN 5975-00-281-0557 has 3 cross-referenced part numbers: S154-1264 (Smiths Tubular Systems-Laconia, Inc.), S154-1264 (Vse Aviation, Inc.), C12-4 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense).

What NSN replaces 5975-00-281-0557?

There are 8 known substitutes for 5975-00-281-0557: 5950-00-186-9763, 3040-00-223-6250, 3020-00-352-6002 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C12-4?

Key specifications for C12-4: Trade Size: 0.188; Braided Metallic Shield Type: BRONZE RIBBON AND BRONZE WIRE; Minimum Inside Bending Radius: 1.125 INCHES IN; Material: SOLDER FLEXIBLE JOINT PACKING. 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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