PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CV2Valve,check

Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co · NSN 4820-00-304-3610 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-304-3610 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-304-3610. Primary manufacturer part number: CV2.
Features
  • Valve,check — FSC 4820
  • Thread Series Designator: NPT ALL ENDS
  • Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: AIR FIRST RESPONSE
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
  • Valve Operation Method: AUTOMATIC
  • Flow Control Device: DISK
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-304-3610, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-304-3610
Primary Part NumberCV2
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMosier Fluid Power of Ohio Inc Dba Kc Mosier Co
StatusACTIVE
Thread Series DesignatorNPT ALL ENDS
Operating Pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedAIR FIRST RESPONSE
Nominal Thread Size0.125 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC
Flow Control DeviceDISK
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Media for Which DesignedOIL SECOND RESPONSE
MaterialRUBBER FLOW CONTROL DEVICE
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Mounting PositionHORIZONTAL
Thread DirectionRIGHT-HAND ALL ENDS
Media for Which DesignedWATER, FRESH THIRD RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5120-00-221-1066 INTERCHANGEABLE
Vise,pipe
6685-00-417-6238CV-2 INTERCHANGEABLE
Body,tester,pressure Gage
Ametek Inc
5975-01-728-79857TAA118640R0009 INTERCHANGEABLE
Cover,conduit Outlet
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
CV2 PRIMARY Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co (USA)
Related Parts
5120-00-221-1066INTERCHANGEABLE
VISE,PIPE
6685-00-417-6238INTERCHANGEABLE
BODY,TESTER,PRESSURE GAGE
CV-2
5975-01-728-7985INTERCHANGEABLE
COVER,CONDUIT OUTLET
7TAA118640R0009

Frequently Asked Questions

What is NSN 4820-00-304-3610?

NSN 4820-00-304-3610 is a Valve,check, manufactured by Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-304-3610?

NSN 4820-00-304-3610 has 1 cross-referenced part number: CV2 (Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co).

What NSN replaces 4820-00-304-3610?

There are 3 known substitutes for 4820-00-304-3610: 5120-00-221-1066, 6685-00-417-6238, 5975-01-728-7985. Verify interchangeability with system specifications before substitution.

What are the specifications of CV2?

Key specifications for CV2: Thread Series Designator: NPT ALL ENDS; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: AIR FIRST RESPONSE; Nominal Thread Size: 0.125 INCHES ALL ENDS IN. 15 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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