PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45690-1Restrictor,fluid Flow

Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · NSN 4730-01-303-2287 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-303-2287 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-303-2287. Primary manufacturer part number: 45690-1.
Features
  • Restrictor,fluid Flow — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-303-2287, 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 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRestrictor,fluid Flow
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersCurtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (CAGE 21439)
Technical Specifications
ParameterValue
NSN4730-01-303-2287
Primary Part Number45690-1
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
8140-00-038-9276456901 INTERCHANGEABLE
Protector,fin
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5962-01-111-441445690-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
45690-1 PRIMARY Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
Related Parts
8140-00-038-9276INTERCHANGEABLE
PROTECTOR,FIN
456901
5962-01-111-4414INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
45690-1

Frequently Asked Questions

What is NSN 4730-01-303-2287?

NSN 4730-01-303-2287 is a Restrictor,fluid Flow, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-303-2287?

NSN 4730-01-303-2287 has 1 cross-referenced part number: 45690-1 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).

What NSN replaces 4730-01-303-2287?

There are 2 known substitutes for 4730-01-303-2287: 8140-00-038-9276, 5962-01-111-4414. Verify interchangeability with system specifications before substitution.

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