PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25WCoupler,quick Disco

Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division · NSN 4921-01-197-9805 · FSC 4921 · No Item Name Available
Verified by PartsTable
NSN 4921-01-197-9805 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-197-9805. Primary manufacturer part number: 25W.
Features
  • Coupler,quick Disco — FSC 4921
  • 2 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Coupler,quick Disco, cataloged under National Stock Number 4921-01-197-9805, is classified within Federal Supply Class 4921 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupler,quick Disco
FSC / FSG4921 — No Item Name Available (FSG 49)
ManufacturersParker-Hannifin Corporation Div Quick Coupling Division (CAGE 97111); Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (CAGE 78JK3)
Technical Specifications
ParameterValue
NSN4921-01-197-9805
Primary Part Number25W
Item NameCoupler,quick Disco
FSC / FSG4921 / 49 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-114-203625W INTERCHANGEABLE
Gasket
Nyltite Corp of America
4730-00-174-452812Z300PC51 INTERCHANGEABLE
Cup,oil,lubricating
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-502-4700 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5210-00-688-849125W INTERCHANGEABLE
Contact Point,measuring Instrume
L.s. Starrett Company (the) Div Tool Division
5120-01-447-0230 INTERCHANGEABLE
Pliers,wire Twister
Cross-Reference Index
Part NumberManufacturer
25W Parker-Hannifin Corporation Div Quick Coupling Division (USA)
25W PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA)
Related Parts
5330-00-114-2036INTERCHANGEABLE
GASKET
25W
4730-00-174-4528INTERCHANGEABLE
CUP,OIL,LUBRICATING
12Z300PC51
5905-00-502-4700INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5210-00-688-8491INTERCHANGEABLE
CONTACT POINT,MEASURING INSTRUME
25W
5120-01-447-0230INTERCHANGEABLE
PLIERS,WIRE TWISTER

Frequently Asked Questions

What is NSN 4921-01-197-9805?

NSN 4921-01-197-9805 is a Coupler,quick Disco, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division, classified under FSC 4921 (No Item Name Available). Status: active.

What are the part numbers for NSN 4921-01-197-9805?

NSN 4921-01-197-9805 has 2 cross-referenced part numbers: 25W (Parker-Hannifin Corporation Div Quick Coupling Division), 25W (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division).

What NSN replaces 4921-01-197-9805?

There are 5 known substitutes for 4921-01-197-9805: 5330-00-114-2036, 4730-00-174-4528, 5905-00-502-4700 and 2 more. Verify interchangeability with system specifications before substitution.

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