PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

807947009652138C9Union,pipe

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-01-321-6290 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-321-6290 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-321-6290. Primary manufacturer part number: 807947009652138C9.
Features
  • Union,pipe — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-321-6290, 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 Electric Boat Corporation Div General Dynamics Electric Boat. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameUnion,pipe
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Roller Bearing Co of America, Inc Div Pic Design (CAGE 00141); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
ParameterValue
NSN4730-01-321-6290
Primary Part Number807947009652138C9
Item NameUnion,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-086-1354N48 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
5120-00-596-0949N-48 INTERCHANGEABLE
Screwdriver and Wrench Assembly
Neuses P K Inc
5310-00-639-754453-310 INTERCHANGEABLE
Nut,plain,hexagon
Dresser Industries Inc Leroi Div
4730-00-819-7647A-442 INTERCHANGEABLE
Nut,tube Coupling
Mueller Brass Co.
Cross-Reference Index
Part NumberManufacturer
807947009652138C9 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
N4-8 Roller Bearing Co of America, Inc Div Pic Design (USA)
518-5947787 ITEM 2-19 Naval Sea Systems Command (USA)
Related Parts
5999-00-086-1354INTERCHANGEABLE
HEATER,THERMAL RELEASE
N48
5120-00-596-0949INTERCHANGEABLE
SCREWDRIVER AND WRENCH ASSEMBLY
N-48
5310-00-639-7544INTERCHANGEABLE
NUT,PLAIN,HEXAGON
53-310
4730-00-819-7647INTERCHANGEABLE
NUT,TUBE COUPLING
A-442

Frequently Asked Questions

What is NSN 4730-01-321-6290?

NSN 4730-01-321-6290 is a Union,pipe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-321-6290?

NSN 4730-01-321-6290 has 3 cross-referenced part numbers: 807947009652138C9 (Electric Boat Corporation Div General Dynamics Electric Boat), N4-8 (Roller Bearing Co of America, Inc Div Pic Design), 518-5947787 ITEM 2-19 (Naval Sea Systems Command).

What NSN replaces 4730-01-321-6290?

There are 4 known substitutes for 4730-01-321-6290: 5999-00-086-1354, 5120-00-596-0949, 5310-00-639-7544 and 1 more. Verify interchangeability with system specifications before substitution.

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