PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RK11780Cock,drain

Parker-Hannifin Corporation Dba Racor Division Div Racor Division · NSN 4820-01-155-0209 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-155-0209 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-155-0209. Primary manufacturer part number: RK11780.
Features
  • Cock,drain — FSC 4820
  • Criticality Code Justification: FEAT
  • Valve Operation Method: MANUAL
  • Flow Control Device: STEM
  • 5 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-155-0209, 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 Racor Division Div Racor Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-155-0209
Primary Part NumberRK11780
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Racor Division Div Racor Division
StatusACTIVE
Criticality Code JustificationFEAT
Valve Operation MethodMANUAL
Flow Control DeviceSTEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-036-1541N11780 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5945-00-222-596211780 INTERCHANGEABLE
Relay,electromagnetic
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
3455-00-246-034811780 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
6520-00-523-2150 INTERCHANGEABLE
Disk,abrasive
3120-00-957-3310 INTERCHANGEABLE
Bearing,washer,thrust
5950-01-222-4442984717-4B INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
4820-01-223-0594 INTERCHANGEABLE
Valve Assembly,manifold
5340-01-439-530311780 INTERCHANGEABLE
Cap,protective,dust and Moisture
Rubber Industries, Inc. Dba Rubber Industries
7310-01-528-002011780 INTERCHANGEABLE
Stove,multi-Fuel Burner
Mountain Safety Research Inc
Cross-Reference Index
Part NumberManufacturer
2AW168 Oshkosh Corp (USA)
2MB799 Oshkosh Corp (USA)
RK11780 PRIMARY Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
11780 Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
2MB799 Oshkosh Defense Llc (USA)
Related Parts
4820-00-036-1541INTERCHANGEABLE
DISK,VALVE
N11780
5945-00-222-5962INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
11780
3455-00-246-0348INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11780
6520-00-523-2150INTERCHANGEABLE
DISK,ABRASIVE
3120-00-957-3310INTERCHANGEABLE
BEARING,WASHER,THRUST
5950-01-222-4442INTERCHANGEABLE
TRANSFORMER,POWER
984717-4B
4820-01-223-0594INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
5340-01-439-5303INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
11780
7310-01-528-0020INTERCHANGEABLE
STOVE,MULTI-FUEL BURNER
11780

Frequently Asked Questions

What is NSN 4820-01-155-0209?

NSN 4820-01-155-0209 is a Cock,drain, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-155-0209?

NSN 4820-01-155-0209 has 5 cross-referenced part numbers: 2AW168 (Oshkosh Corp), 2MB799 (Oshkosh Corp), RK11780 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 11780 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division), 2MB799 (Oshkosh Defense Llc).

What NSN replaces 4820-01-155-0209?

There are 9 known substitutes for 4820-01-155-0209: 4820-00-036-1541, 5945-00-222-5962, 3455-00-246-0348 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RK11780?

Key specifications for RK11780: Criticality Code Justification: FEAT; Valve Operation Method: MANUAL; End Item Identification: NSN 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); Special Features: WEAPON SYSTEM ESSENTIAL. 5 total characteristics are documented in the Federal Logistics Information System.

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