PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1/2SHP-SPlug,pipe

Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba · NSN 4730-01-391-9904 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-391-9904 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-391-9904. Primary manufacturer part number: 1/2SHP-S.
Features
  • Plug,pipe — FSC 4730
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Plug,pipe, cataloged under National Stock Number 4730-01-391-9904, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePlug,pipe
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); Milwaukee Cylinder Power Gear Div (CAGE 63039)
Technical Specifications
ParameterValue
NSN4730-01-391-9904
Primary Part Number1/2SHP-S
Item NamePlug,pipe
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
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
4730-00-187-4191 INTERCHANGEABLE
Plug,pipe
6730-00-393-3974071021 INTERCHANGEABLE
Mounting
Magna Tech Electronic Co Inc Dba Mte
4730-00-555-9372AS4863J04 INTERCHANGEABLE
Plug,pipe
Sae International Dba Sae International
5365-01-511-4117071021 INTERCHANGEABLE
Bushing Blank
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
Cross-Reference Index
Part NumberManufacturer
1/2SHP-S PRIMARY Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
07-1021 Milwaukee Cylinder Power Gear Div (USA)
Related Parts
4730-00-187-4191INTERCHANGEABLE
PLUG,PIPE
6730-00-393-3974INTERCHANGEABLE
MOUNTING
071021
4730-00-555-9372INTERCHANGEABLE
PLUG,PIPE
AS4863J04
5365-01-511-4117INTERCHANGEABLE
BUSHING BLANK
071021

Frequently Asked Questions

What is NSN 4730-01-391-9904?

NSN 4730-01-391-9904 is a Plug,pipe, 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: cancelled.

What are the part numbers for NSN 4730-01-391-9904?

NSN 4730-01-391-9904 has 2 cross-referenced part numbers: 1/2SHP-S (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), 07-1021 (Milwaukee Cylinder Power Gear Div).

What NSN replaces 4730-01-391-9904?

There are 4 known substitutes for 4730-01-391-9904: 4730-00-187-4191, 6730-00-393-3974, 4730-00-555-9372 and 1 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-391-9904 still in active supply?

NSN 4730-01-391-9904 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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