PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C401Coupling,tube

Kennecott Corp Chase Extrusions Div · NSN 4730-00-516-3888 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-516-3888 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-516-3888. Primary manufacturer part number: C401.
Features
  • Coupling,tube — FSC 4730
  • Connection Style: SOCKET (TUBE) FIRST END
  • Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145,ALLOY 4B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Tubing Wall Nominal Thickness for Which Designed: 0.0345 INCHES FIRST END IN
  • Material: COPPER ALLOY OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • 2 verified cross-references
  • Primary manufacturer: Kennecott Corp Chase Extrusions Div
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Coupling,tube, cataloged under National Stock Number 4730-00-516-3888, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Kennecott Corp Chase Extrusions Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-516-3888
Primary Part NumberC401
Item NameCoupling,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKennecott Corp Chase Extrusions Div
StatusACTIVE
Connection StyleSOCKET (TUBE) FIRST END
Material Document and ClassificationASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145,ALLOY 4B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Tubing Wall Nominal Thickness for Which Designed0.0345 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-027-563440129 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5945-00-496-97089050-173 INTERCHANGEABLE
Relay,electromagnetic
Ssi Technology Inc
2920-01-022-33353874401 INTERCHANGEABLE
Rotor,ignition Distributor
Chrysler Realty Company Llc Dba Daimler Chrysler
9640-01-032-46506000003 INTERCHANGEABLE
Tube Round,iron
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
6605-01-515-1224 INTERCHANGEABLE
Compass,magnetic,mounted
5995-01-609-7861C401 INTERCHANGEABLE
Cable Assembly,radio Frequency
Ultralife Corp.
Cross-Reference Index
Part NumberManufacturer
C401 Kennecott Corp Chase Extrusions Div (USA)
16-18 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5330-00-027-5634INTERCHANGEABLE
GASKET
40129
5945-00-496-9708INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
9050-173
2920-01-022-3335INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
3874401
9640-01-032-4650INTERCHANGEABLE
TUBE ROUND,IRON
6000003
6605-01-515-1224INTERCHANGEABLE
COMPASS,MAGNETIC,MOUNTED
5995-01-609-7861INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
C401

Frequently Asked Questions

What is NSN 4730-00-516-3888?

NSN 4730-00-516-3888 is a Coupling,tube, manufactured by Kennecott Corp Chase Extrusions Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-516-3888?

NSN 4730-00-516-3888 has 2 cross-referenced part numbers: C401 (Kennecott Corp Chase Extrusions Div), 16-18 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 4730-00-516-3888?

There are 6 known substitutes for 4730-00-516-3888: 5330-00-027-5634, 5945-00-496-9708, 2920-01-022-3335 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C401?

Key specifications for C401: Connection Style: SOCKET (TUBE) FIRST END; Material Document and Classification: ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM B145,ALLOY 4B ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Tubing Wall Nominal Thickness for Which Designed: 0.0345 INCHES FIRST END IN; Material: COPPER ALLOY OVERALL. 5 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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