PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-4384536-52B1AFValve,globe

Naval Ship Systems Command · NSN 4820-00-185-6846 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-185-6846 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-185-6846. Primary manufacturer part number: 803-4384536-52B1AF.
Features
  • Valve,globe — FSC 4820
  • Valve Operation Method: MANUAL
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Bonnet Type: INSIDE SCREW
  • Flow Control Device: DISK
  • Material: NICKEL ALLOY FLOW CONTROL DEVICE
  • Material: NICKEL ALLOY STEM
  • Renewable Seat Ring Type: THREADED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Flow Control Device construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-185-6846, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 2 manufacturers, 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
NSN4820-00-185-6846
Primary Part Number803-4384536-52B1AF
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Valve Operation MethodMANUAL
Connection StylePLAIN (PIPE) ALL ENDS
Bonnet TypeINSIDE SCREW
Flow Control DeviceDISK
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
MaterialNICKEL ALLOY STEM
Renewable Seat Ring TypeTHREADED
Features ProvidedBONNET PACKING
Features ProvidedBONNET PACKING
MaterialNICKEL ALLOY SEAT
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Test Data Document03950-882037230 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nominal Thread Size1.000 INCHES ALL ENDS IN
Nominal Thread Size1.000 INCHES ALL ENDS IN
Bonnet Attachment MethodTHREADED
Thread Series DesignatorNPT ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialCOPPER ALLOY 922 BODY
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialRUBBER PACKING
Thread Series DesignatorNPT ALL ENDS
Style DesignatorSTRAIGHT THRU
Thread DirectionRIGHT-HAND ALL ENDS
MaterialRUBBER PACKING
Maximum Operating Temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
Style DesignatorSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-140-0264E0540 2-130 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
4820-01-472-1879 INTERCHANGEABLE
Valve,stop-Check
4820-01-506-9665 INTERCHANGEABLE
Valve,stop-Check
Cross-Reference Index
Part NumberManufacturer
803-4384536-52B Naval Sea Systems Command (USA)
810-4384536 Naval Sea Systems Command (USA)
803-4384536-52B Naval Ship Systems Command (USA)
810-4384536-52B Naval Sea Systems Command (USA)
803-4384536 Naval Ship Systems Command (USA)
803-4384536-52B1AF PRIMARY Naval Ship Systems Command (USA)
810-4384536-52B Naval Ship Systems Command (USA)
804384536-52B Naval Ship Systems Command (USA)
810-1385722 Naval Ship Systems Command (USA)
810-1385722 Naval Sea Systems Command (USA)
810-4384536 Naval Ship Systems Command (USA)
Related Parts
5331-00-140-0264INTERCHANGEABLE
O-RING
E0540 2-130
4820-01-472-1879INTERCHANGEABLE
VALVE,STOP-CHECK
4820-01-506-9665INTERCHANGEABLE
VALVE,STOP-CHECK

Frequently Asked Questions

What is NSN 4820-00-185-6846?

NSN 4820-00-185-6846 is a Valve,globe, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-185-6846?

NSN 4820-00-185-6846 has 11 cross-referenced part numbers: 803-4384536-52B (Naval Sea Systems Command), 810-4384536 (Naval Sea Systems Command), 803-4384536-52B (Naval Ship Systems Command), 810-4384536-52B (Naval Sea Systems Command), 803-4384536 (Naval Ship Systems Command) and 6 more.

What NSN replaces 4820-00-185-6846?

There are 3 known substitutes for 4820-00-185-6846: 5331-00-140-0264, 4820-01-472-1879, 4820-01-506-9665. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-4384536-52B1AF?

Key specifications for 803-4384536-52B1AF: Valve Operation Method: MANUAL; Connection Style: PLAIN (PIPE) ALL ENDS; Bonnet Type: INSIDE SCREW; Flow Control Device: DISK. 30 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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