PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69-103Coupling Assembly,tube,flexible

Derbyshire Machine & Tool Co · NSN 4730-00-064-8579 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-064-8579 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-064-8579. Primary manufacturer part number: 69-103.
Features
  • Coupling Assembly,tube,flexible — FSC 4730
  • 4 verified cross-references
  • Primary manufacturer: Derbyshire Machine & Tool Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling Assembly,tube,flexible, cataloged under National Stock Number 4730-00-064-8579, 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 Derbyshire Machine & Tool Co. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling Assembly,tube,flexible
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Derbyshire Machine & Tool Co (CAGE 71905)
Technical Specifications
ParameterValue
NSN4730-00-064-8579
Primary Part Number69-103
Item NameCoupling Assembly,tube,flexible
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-064-857814-97-0209 INTERCHANGEABLE
Coupling Half,quick Disconnect
Electric Boat Corporation Div General Dynamics Electric Boat
5310-00-209-0786 INTERCHANGEABLE
Washer,lock
5940-00-259-84531930C INTERCHANGEABLE
Terminal,stud
Goe Engineering Co Inc
3456-00-640-3651 INTERCHANGEABLE
Roll Set,roller Tube Expander
4730-00-893-38242640-067PC14-1IN INTERCHANGEABLE
Flange,pipe
Electric Boat Corporation Div General Dynamics Electric Boat
6640-01-030-7225 INTERCHANGEABLE
Wash Bottle,laboratory
4730-01-177-396914-97-0207 ASSY AC INTERCHANGEABLE
Coupling Assembly,sound Isolatio
Electric Boat Corporation Div General Dynamics Electric Boat
6035-01-652-435369-103 INTERCHANGEABLE
Illuminator,fiber Optic
Hydro-Test Products, Inc. Dba Hydro-Test Products Inc
Cross-Reference Index
Part NumberManufacturer
2640-067 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
69-103 PRIMARY Derbyshire Machine & Tool Co (USA)
14-97-0210 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
14-97-0210ASSYF PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4730-00-064-8578INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
14-97-0209
5310-00-209-0786INTERCHANGEABLE
WASHER,LOCK
5940-00-259-8453INTERCHANGEABLE
TERMINAL,STUD
1930C
3456-00-640-3651INTERCHANGEABLE
ROLL SET,ROLLER TUBE EXPANDER
4730-00-893-3824INTERCHANGEABLE
FLANGE,PIPE
2640-067PC14-1IN
6640-01-030-7225INTERCHANGEABLE
WASH BOTTLE,LABORATORY
4730-01-177-3969INTERCHANGEABLE
COUPLING ASSEMBLY,SOUND ISOLATIO
14-97-0207 ASSY AC
6035-01-652-4353INTERCHANGEABLE
ILLUMINATOR,FIBER OPTIC
69-103

Frequently Asked Questions

What is NSN 4730-00-064-8579?

NSN 4730-00-064-8579 is a Coupling Assembly,tube,flexible, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-064-8579?

NSN 4730-00-064-8579 has 4 cross-referenced part numbers: 2640-067 (Electric Boat Corporation Div General Dynamics Electric Boat), 69-103 (Derbyshire Machine & Tool Co), 14-97-0210 (Electric Boat Corporation Div General Dynamics Electric Boat), 14-97-0210ASSYF (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4730-00-064-8579?

There are 8 known substitutes for 4730-00-064-8579: 4730-00-064-8578, 5310-00-209-0786, 5940-00-259-8453 and 5 more. Verify interchangeability with system specifications before substitution.

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