PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

865753R92Valve,check

Navistar Intl Corp Truck Br Ohio Plant · NSN 4820-00-491-6766 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-491-6766 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-491-6766. Primary manufacturer part number: 865753R92.
Features
  • Valve,check — FSC 4820
  • Material: RUBBER SYNTHETIC FLOW CONTROL DEVICE
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Thread Series Designator: NPT SECOND END
  • Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END
  • Thread Series Designator: NPT FIRST END
  • Flow Control Device: DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-491-6766, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 17 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-491-6766
Primary Part Number865753R92
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNavistar Intl Corp Truck Br Ohio Plant
StatusCANCELLED
MaterialRUBBER SYNTHETIC FLOW CONTROL DEVICE
Nominal Thread Size0.500 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Series DesignatorNPT SECOND END
Connection StylePLAIN, OPTIONAL END (PIPE) FIRST END
Thread Series DesignatorNPT FIRST END
Flow Control DeviceDISK
Style DesignatorSTRAIGHT THRU
Mounting PositionHORIZONTAL OR VERTICAL
Disk Loading MethodSPRING
Valve Operation MethodAUTOMATIC
Nominal Thread Size0.500 INCHES SECOND END IN
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) SECOND END
Thread DirectionRIGHT-HAND SECOND END
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
4820-00-633-352312378831 INTERCHANGEABLE
Valve,check
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
343522C91 Navistar International Corporation Dba Navistar (USA)
RN10DZ Haldex Brake Products Corporation (USA)
17-343522C91R454 Navistar International Corporation Dba Navistar (USA)
865753R92 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
343522C91 PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
Related Parts
4820-00-633-3523INTERCHANGEABLE
VALVE,CHECK
12378831

Frequently Asked Questions

What is NSN 4820-00-491-6766?

NSN 4820-00-491-6766 is a Valve,check, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-491-6766?

NSN 4820-00-491-6766 has 5 cross-referenced part numbers: 343522C91 (Navistar International Corporation Dba Navistar), RN10DZ (Haldex Brake Products Corporation), 17-343522C91R454 (Navistar International Corporation Dba Navistar), 865753R92 (Navistar Intl Corp Truck Br Ohio Plant), 343522C91 (Navistar Intl Corp Truck Br Ohio Plant).

What NSN replaces 4820-00-491-6766?

There is 1 known substitute for 4820-00-491-6766: 4820-00-633-3523. Verify interchangeability with system specifications before substitution.

What are the specifications of 865753R92?

Key specifications for 865753R92: Material: RUBBER SYNTHETIC FLOW CONTROL DEVICE; Nominal Thread Size: 0.500 INCHES FIRST END IN; Connection Type: THREADED EXTERNAL PIPE SECOND END; Thread Series Designator: NPT SECOND END. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-491-6766 still in active supply?

NSN 4820-00-491-6766 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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