PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-501Valve,flow Control

Clippard Instrument Laboratory Inc · NSN 4820-01-106-5475 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-106-5475 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-106-5475. Primary manufacturer part number: R-501.
Features
  • Valve,flow Control — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Clippard Instrument Laboratory Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-106-5475, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clippard Instrument Laboratory Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-106-5475
Primary Part NumberR-501
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClippard Instrument Laboratory Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-088-0255R501 INTERCHANGEABLE
Reactor
Viking Technologies, Ltd.
5985-00-110-825932-87848-3 INTERCHANGEABLE
Coupler,directional
The Boeing Company Div Defense
6625-00-376-1630C1237AARC27 INTERCHANGEABLE
Control Unit,test S
Joint Electronics Type Designation System
5905-01-074-17505165 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Sensor Systems, L.l.c. Dba Sensor Systems Llc
5820-01-400-1774R501 INTERCHANGEABLE
Receiver,radio
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
R-501 PRIMARY Clippard Instrument Laboratory Inc (USA)
Related Parts
5950-00-088-0255INTERCHANGEABLE
REACTOR
R501
5985-00-110-8259INTERCHANGEABLE
COUPLER,DIRECTIONAL
32-87848-3
6625-00-376-1630INTERCHANGEABLE
CONTROL UNIT,TEST S
C1237AARC27
5905-01-074-1750INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5165
5820-01-400-1774INTERCHANGEABLE
RECEIVER,RADIO
R501

Frequently Asked Questions

What is NSN 4820-01-106-5475?

NSN 4820-01-106-5475 is a Valve,flow Control, manufactured by Clippard Instrument Laboratory Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-106-5475?

NSN 4820-01-106-5475 has 1 cross-referenced part number: R-501 (Clippard Instrument Laboratory Inc).

What NSN replaces 4820-01-106-5475?

There are 5 known substitutes for 4820-01-106-5475: 5950-00-088-0255, 5985-00-110-8259, 6625-00-376-1630 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-501?

Key specifications for R-501: Special Features: VALVE ADJUSTABLE FLOW CONTROL DESIGNED TO METER IN TO A INTERGAL VOLUME CHAMBER TO DELAY PRESSURE BUILD-UP IN ONE DIRECTION;DUAL PORTS ARE PROVIDED FOR EXTRA VOLUME OR MULTIPLE CONNECTIONS;CFM FLOW 0/1 AT 100 PSI;TEMP -30 TO 230 DEG F;WORKING PRESSURE 0/150 PSI DEGF. 1 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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