PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BO-RVZ20SRWDValve,check

Naval Inventory Control Point Mechanicsburg · NSN 4820-01-393-4610 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-393-4610 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-393-4610. Primary manufacturer part number: BO-RVZ20SRWD.
Features
  • Valve,check — FSC 4820
  • Flow Control Device: DISK
  • Valve Operation Method: AUTOMATIC
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 1.0 BAR MAXIMUM SINGLE RESPONSE
  • Material: STEEL BODY
  • Connection Style: PLAIN (TUBE) ALL ENDS
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-393-4610, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-393-4610
Primary Part NumberBO-RVZ20SRWD
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Flow Control DeviceDISK
Valve Operation MethodAUTOMATIC
Style DesignatorSTRAIGHT THRU
Operating Pressure1.0 BAR MAXIMUM SINGLE RESPONSE
MaterialSTEEL BODY
Connection StylePLAIN (TUBE) ALL ENDS
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-346-3141622499 INTERCHANGEABLE
Seal,plain
Manitowoc Engineering Co Division of the Manitowoc Co Inc
6680-00-485-1439044163-1 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Center - Moeller Products Llc
5340-00-501-6192TWCL150 INTERCHANGEABLE
Strap,retaining
Egs Electrical Group Appleton Div
5935-00-512-5309 INTERCHANGEABLE
Adaptor
5305-00-567-3221 INTERCHANGEABLE
Stud
4820-00-692-8138 INTERCHANGEABLE
Body,valve
5815-00-861-89494163 INTERCHANGEABLE
Holder,tape Guide
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5305-00-966-46324163 INTERCHANGEABLE
Screw,instrument
Wakmann Watch Company Inc
6640-01-115-9187M7301-2 INTERCHANGEABLE
Mold,tissue Embedding
Cardinal Health 200, Llc
5950-01-138-0676 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
BO-RVZ 20 SRWD J.m. Voith Se & Co. Kg (DEU)
BO-RVZ20SRWD Fierthbauer Julius Inh Erich Mader (DEU)
BO-RVZ20SRWD PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
4163 J.m. Voith Se & Co. Kg (DEU)
2.72-34009-4163 J.m. Voith Se & Co. Kg (DEU)
Related Parts
5330-00-346-3141INTERCHANGEABLE
SEAL,PLAIN
622499
6680-00-485-1439INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
044163-1
5340-00-501-6192INTERCHANGEABLE
STRAP,RETAINING
TWCL150
5935-00-512-5309INTERCHANGEABLE
ADAPTOR
5305-00-567-3221INTERCHANGEABLE
STUD
4820-00-692-8138INTERCHANGEABLE
BODY,VALVE
5815-00-861-8949INTERCHANGEABLE
HOLDER,TAPE GUIDE
4163
5305-00-966-4632INTERCHANGEABLE
SCREW,INSTRUMENT
4163
6640-01-115-9187INTERCHANGEABLE
MOLD,TISSUE EMBEDDING
M7301-2
5950-01-138-0676INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
2920-01-258-9393INTERCHANGEABLE
SPARK PLUG
4133
7025-01-625-8599INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
4163

Frequently Asked Questions

What is NSN 4820-01-393-4610?

NSN 4820-01-393-4610 is a Valve,check, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-393-4610?

NSN 4820-01-393-4610 has 5 cross-referenced part numbers: BO-RVZ 20 SRWD (J.m. Voith Se & Co. Kg), BO-RVZ20SRWD (Fierthbauer Julius Inh Erich Mader), BO-RVZ20SRWD (Naval Inventory Control Point Mechanicsburg), 4163 (J.m. Voith Se & Co. Kg), 2.72-34009-4163 (J.m. Voith Se & Co. Kg).

What NSN replaces 4820-01-393-4610?

There are 12 known substitutes for 4820-01-393-4610: 5330-00-346-3141, 6680-00-485-1439, 5340-00-501-6192 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BO-RVZ20SRWD?

Key specifications for BO-RVZ20SRWD: Flow Control Device: DISK; Valve Operation Method: AUTOMATIC; Style Designator: STRAIGHT THRU; Operating Pressure: 1.0 BAR MAXIMUM SINGLE RESPONSE. 7 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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