PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EMA3/1/4NPTTest Port Coupling,

Parker-Hannifin Corporation Div Quick Coupling Division · NSN 4920-01-572-6606 · FSC 4920 · No Item Name Available
Verified by PartsTable
NSN 4920-01-572-6606 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-572-6606. Primary manufacturer part number: EMA3/1/4NPT.
Features
  • Test Port Coupling, — FSC 4920
  • 4 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Div Quick Coupling Division
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Test Port Coupling,, cataloged under National Stock Number 4920-01-572-6606, is classified within Federal Supply Class 4920 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Parker-Hannifin Corporation Div Quick Coupling Division. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTest Port Coupling,
FSC / FSG4920 — No Item Name Available (FSG 49)
ManufacturersAjax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (CAGE 74QK6); Risk Industries Llc Dba Pines Technology Div Headquarters (CAGE 4RPC2); B. W. Rogers Company (CAGE 4A407); Parker-Hannifin Corporation Div Quick Coupling Division (CAGE 97111)
Technical Specifications
ParameterValue
NSN4920-01-572-6606
Primary Part NumberEMA3/1/4NPT
Item NameTest Port Coupling,
FSC / FSG4920 / 49 — No Item Name Available
ManufacturerParker-Hannifin Corporation Div Quick Coupling Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-187-511932053 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5935-00-233-672817253 INTERCHANGEABLE
Connector,receptacle,electrical
Belden Wire and Cable Co Wire and Cable Office
2805-00-544-0681230003 INTERCHANGEABLE
Pin,piston
Essex Industries, Inc. Dba Essex Industries
5855-00-908-6328 INTERCHANGEABLE
Filter,infrared Light
5961-01-408-7657 INTERCHANGEABLE
Transistor
5920-01-448-4310230003 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
4920-01-495-215304.0607.0060 INTERCHANGEABLE
Pressure Test Port 1/4npt
Terex American Crane Corp
Cross-Reference Index
Part NumberManufacturer
230-003 Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering (USA)
230-003 Risk Industries Llc Dba Pines Technology Div Headquarters (USA)
EMA3/1/4NPT B. W. Rogers Company (USA)
EMA3/1/4NPT PRIMARY Parker-Hannifin Corporation Div Quick Coupling Division (USA)
Related Parts
5940-00-187-5119INTERCHANGEABLE
TERMINAL,LUG
32053
5935-00-233-6728INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
17253
2805-00-544-0681INTERCHANGEABLE
PIN,PISTON
230003
5855-00-908-6328INTERCHANGEABLE
FILTER,INFRARED LIGHT
5961-01-408-7657INTERCHANGEABLE
TRANSISTOR
5920-01-448-4310INTERCHANGEABLE
FUSE,CARTRIDGE
230003
4920-01-495-2153INTERCHANGEABLE
PRESSURE TEST PORT 1/4NPT
04.0607.0060

Frequently Asked Questions

What is NSN 4920-01-572-6606?

NSN 4920-01-572-6606 is a Test Port Coupling,, manufactured by Parker-Hannifin Corporation Div Quick Coupling Division, classified under FSC 4920 (No Item Name Available). Status: active.

What are the part numbers for NSN 4920-01-572-6606?

NSN 4920-01-572-6606 has 4 cross-referenced part numbers: 230-003 (Ajax Tocco Magnethermic Corporation Dba Pines Engineering Div Pines Engineering), 230-003 (Risk Industries Llc Dba Pines Technology Div Headquarters), EMA3/1/4NPT (B. W. Rogers Company), EMA3/1/4NPT (Parker-Hannifin Corporation Div Quick Coupling Division).

What NSN replaces 4920-01-572-6606?

There are 7 known substitutes for 4920-01-572-6606: 5940-00-187-5119, 5935-00-233-6728, 2805-00-544-0681 and 4 more. Verify interchangeability with system specifications before substitution.

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