PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PL501E450XR-358Restrictor,fluid Flow

General Electric Co Naval and Drive Turbine Systems Dept · NSN 4730-01-411-9516 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-411-9516 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-411-9516. Primary manufacturer part number: PL501E450XR-358.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Design Type: PLATE
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Orifice Diameter: 0.670 INCHES NOMINAL IN
  • Material: STEEL COMP 304
  • Outside Diameter: 4.130 INCHES NOMINAL IN
  • Length: 5.560 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Applications requiring Steel Comp 304 construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-411-9516, 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 General Electric Co Naval and Drive Turbine Systems Dept. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-411-9516
Primary Part NumberPL501E450XR-358
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerGeneral Electric Co Naval and Drive Turbine Systems Dept
StatusACTIVE
Design TypePLATE
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Orifice Diameter0.670 INCHES NOMINAL IN
MaterialSTEEL COMP 304
Outside Diameter4.130 INCHES NOMINAL IN
Length5.560 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6680-01-164-6859 INTERCHANGEABLE
Indicator,sight,liquid
4730-01-411-9520 INTERCHANGEABLE
Restrictor,fluid Flow
4730-01-412-9617 INTERCHANGEABLE
Restrictor,fluid Flow
4730-01-412-9626 INTERCHANGEABLE
Restrictor,fluid Flow
Cross-Reference Index
Part NumberManufacturer
PL501E450XR-358 General Electric Co Naval and Drive Turbine Systems Dept (USA)
B647 General Electric Co Naval and Drive Turbine Systems Dept (USA)
B64708A01067 General Electric Co Naval and Drive Turbine Systems Dept (USA)
Related Parts
6680-01-164-6859INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
4730-01-411-9520INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
4730-01-412-9617INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
4730-01-412-9626INTERCHANGEABLE
RESTRICTOR,FLUID FLOW

Frequently Asked Questions

What is NSN 4730-01-411-9516?

NSN 4730-01-411-9516 is a Restrictor,fluid Flow, manufactured by General Electric Co Naval and Drive Turbine Systems Dept, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-411-9516?

NSN 4730-01-411-9516 has 3 cross-referenced part numbers: PL501E450XR-358 (General Electric Co Naval and Drive Turbine Systems Dept), B647 (General Electric Co Naval and Drive Turbine Systems Dept), B64708A01067 (General Electric Co Naval and Drive Turbine Systems Dept).

What NSN replaces 4730-01-411-9516?

There are 4 known substitutes for 4730-01-411-9516: 6680-01-164-6859, 4730-01-411-9520, 4730-01-412-9617 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PL501E450XR-358?

Key specifications for PL501E450XR-358: Design Type: PLATE; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Orifice Diameter: 0.670 INCHES NOMINAL IN; Material: STEEL COMP 304. 6 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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