PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

24902Cock,poppet Drain

Parker-Hannifin Corporation Dba Pneutronics · NSN 4820-00-203-7781 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-203-7781 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-203-7781. Primary manufacturer part number: 24902.
Features
  • Cock,poppet Drain — FSC 4820
  • Nominal Length: 2.219 INCHES FIRST END IN
  • Style Designator: STRAIGHT THRU
  • Flange Shape: RECTANGULAR WITH HOLES FIRST END
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Bolt Hole Nominal Diameter: 0.266 INCHES FIRST END IN
  • Material: ALUMINUM ALLOY BODY
  • Nominal Width: 2.219 INCHES FIRST END IN
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-00-203-7781, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-203-7781
Primary Part Number24902
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics
StatusCANCELLED
Nominal Length2.219 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU
Flange ShapeRECTANGULAR WITH HOLES FIRST END
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Bolt Hole Nominal Diameter0.266 INCHES FIRST END IN
MaterialALUMINUM ALLOY BODY
Nominal Width2.219 INCHES FIRST END IN
MaterialALUMINUM ALLOY BODY LINING
Nominal Thickness0.188 INCHES FIRST END IN
Center to Center Nominal Distance Between Bolt Holes Along Length1.656 INCHES FIRST END IN
MaterialALUMINUM ALLOY BODY LINING
Center to Center Nominal Distance Between Bolt Holes Along Width1.656 INCHES FIRST END IN
Connection TypeFLANGE FIRST END
Valve Operation MethodMANUAL
Center to Center Nominal Distance Between Bolt Holes Along Width1.656 INCHES FIRST END IN
Connection StyleBEADED (HOSE) SECOND END
Surface TreatmentANODIZE
Bolt Hole Quantity4 FIRST END
Nominal Thickness0.188 INCHES FIRST END IN
Flow Control DevicePOPPET
MaterialALUMINUM ALLOY BODY
Surface TreatmentANODIZE
Flange Face DesignPLAIN FIRST END
Flange Face DesignPLAIN FIRST END
Bolt Hole Nominal Diameter0.266 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU
Center to Center Nominal Distance Between Bolt Holes Along Length1.656 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-115-622310529 INTERCHANGEABLE
Nut,plain,hexagon
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5310-00-141-1795NAS1149F0463P INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4320-00-218-319310529 INTERCHANGEABLE
Ring,casing
Rps-Fl, Inc. Dba Rps Inc
6210-00-247-9055266-6307-000 INTERCHANGEABLE
Filter,indicator Light
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5365-00-545-858615078P INTERCHANGEABLE
Shim Set
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-00-625-0306JL601 INTERCHANGEABLE
Hose,nonmetallic
Jenny Products, Inc
5330-00-654-351824902 INTERCHANGEABLE
Seal,plain
Napco International Llc Dba Napco International Inc
1660-00-972-440210529 INTERCHANGEABLE
Plate,sear
Avox Systems Inc Dba Avox Systems Inc
5905-01-025-6914 INTERCHANGEABLE
Resistor,fixed,film
3439-01-037-249510529 INTERCHANGEABLE
Heating Element,wire Stripper
Assembly Technologies International Inc.
Cross-Reference Index
Part NumberManufacturer
24902 PRIMARY Parker-Hannifin Corporation Dba Pneutronics (USA)
24902 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
24902 Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA)
10-529 The Boeing Company Div Defense (USA)
Related Parts
5310-00-115-6223INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10529
5310-00-141-1795INTERCHANGEABLE
WASHER,FLAT
NAS1149F0463P
4320-00-218-3193INTERCHANGEABLE
RING,CASING
10529
6210-00-247-9055INTERCHANGEABLE
FILTER,INDICATOR LIGHT
266-6307-000
5365-00-545-8586INTERCHANGEABLE
SHIM SET
15078P
4720-00-625-0306INTERCHANGEABLE
HOSE,NONMETALLIC
JL601
5330-00-654-3518INTERCHANGEABLE
SEAL,PLAIN
24902
1660-00-972-4402INTERCHANGEABLE
PLATE,SEAR
10529
5905-01-025-6914INTERCHANGEABLE
RESISTOR,FIXED,FILM
3439-01-037-2495INTERCHANGEABLE
HEATING ELEMENT,WIRE STRIPPER
10529
5365-01-235-0182INTERCHANGEABLE
SPACER,SLEEVE
24902
4820-01-259-7626INTERCHANGEABLE
SEAT,VALVE
249-02

Frequently Asked Questions

What is NSN 4820-00-203-7781?

NSN 4820-00-203-7781 is a Cock,poppet Drain, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-203-7781?

NSN 4820-00-203-7781 has 4 cross-referenced part numbers: 24902 (Parker-Hannifin Corporation Dba Pneutronics), 24902 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 24902 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations), 10-529 (The Boeing Company Div Defense).

What NSN replaces 4820-00-203-7781?

There are 12 known substitutes for 4820-00-203-7781: 5310-00-115-6223, 5310-00-141-1795, 4320-00-218-3193 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 24902?

Key specifications for 24902: Nominal Length: 2.219 INCHES FIRST END IN; Style Designator: STRAIGHT THRU; Flange Shape: RECTANGULAR WITH HOLES FIRST END; Connection Type: UNTHREADED EXTERNAL HOSE SECOND END. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-203-7781 still in active supply?

NSN 4820-00-203-7781 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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