PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49865Valve Assembly,manifold

Ritchie Engineering Co Inc · NSN 4820-01-661-4586 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-661-4586 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-661-4586. Primary manufacturer part number: 49865.
Features
  • Valve Assembly,manifold — FSC 4820
  • Usage Design: A/C REFRIGERATION
  • Body Material: STEEL
  • Valve Operation Method: MANUAL
  • 1 verified cross-reference
  • Primary manufacturer: Ritchie Engineering Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-661-4586, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ritchie Engineering Co Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-661-4586
Primary Part Number49865
Item NameValve Assembly,manifold
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRitchie Engineering Co Inc
StatusACTIVE
Usage DesignA/C REFRIGERATION
Body MaterialSTEEL
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5935-00-224-3175EZ18-16S INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
4730-01-083-734149865 INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Cross-Reference Index
Part NumberManufacturer
49865 PRIMARY Ritchie Engineering Co Inc (USA)
Related Parts
5935-00-224-3175INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
EZ18-16S
4730-01-083-7341INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
49865

Frequently Asked Questions

What is NSN 4820-01-661-4586?

NSN 4820-01-661-4586 is a Valve Assembly,manifold, manufactured by Ritchie Engineering Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-661-4586?

NSN 4820-01-661-4586 has 1 cross-referenced part number: 49865 (Ritchie Engineering Co Inc).

What NSN replaces 4820-01-661-4586?

There are 2 known substitutes for 4820-01-661-4586: 5935-00-224-3175, 4730-01-083-7341. Verify interchangeability with system specifications before substitution.

What are the specifications of 49865?

Key specifications for 49865: Usage Design: A/C REFRIGERATION; Body Material: STEEL; Part Name Assigned by Controlling Agency: 2-VALVE MANIFOLD; Valve Operation Method: MANUAL. 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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