PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

803-6397247-4111Valve,globe

Naval Sea Systems Command · NSN 4820-01-121-9782 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-121-9782 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-121-9782. Primary manufacturer part number: 803-6397247-4111.
Features
  • Valve,globe — FSC 4820
  • Thread Series Designator: UN ALL ENDS
  • Material Document and Classification: MIL-B-24059 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Material: NICKEL ALLOY SEAT
  • Material Document and Classification: QQ-S-763,CLASS 316,COND A FED SPEC SINGLE MATERIAL RESPONSE STEM
  • Flow Control Device: DISK
  • Material: PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Seat construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-121-9782, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-121-9782
Primary Part Number803-6397247-4111
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Thread Series DesignatorUN ALL ENDS
Material Document and ClassificationMIL-B-24059 ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialNICKEL ALLOY SEAT
Material Document and ClassificationQQ-S-763,CLASS 316,COND A FED SPEC SINGLE MATERIAL RESPONSE STEM
Flow Control DeviceDISK
MaterialPLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Bonnet TypeINSIDE SCREW
Thread Class3A ALL ENDS A
Thread DirectionRIGHT-HAND ALL ENDS
Valve Operation MethodMANUAL
Renewable Seat Ring TypePRESSED-IN
MaterialCOPPER ALLOY BODY
Connection StyleGASKET SEAL (TUBE) ALL ENDS
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Thread Quantity Per Inch12 ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
Bonnet Attachment MethodTHREADED
Nominal Thread Size1.188 INCHES ALL ENDS IN
Operating Pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-01-172-9148365-7-OX PL4496 INTERCHANGEABLE
Cartridge Assembly
Admiral Valve Llc Dba Cpv Manufacturing
4820-01-184-9371803-6397247-2111 INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
4820-01-212-6793803-6397247-3131 INTERCHANGEABLE
Valve,check
Naval Sea Systems Command
4820-01-240-6798803-6397247-5111 INTERCHANGEABLE
Valve,globe
Naval Sea Systems Command
4820-01-270-5758803-6397247-3111 INTERCHANGEABLE
Valve,globe
Naval Sea Systems Command
4730-01-386-1742803-6397247-3X2X-42 INTERCHANGEABLE
Packing Nut
Naval Sea Systems Command
4820-01-452-0083M1309-1 INTERCHANGEABLE
Valve,globe
Derbyshire Marine Products, Llc Dba Derbyshire Marine Products Llc
4820-01-484-7866803-6397247-2X3X-24 INTERCHANGEABLE
Cartridge,check Valve
Naval Sea Systems Command
5330-01-582-1700803-6397247-2XXX-41 INTERCHANGEABLE
Retainer,packing
Naval Sea Systems Command
4820-01-604-4462803-6397247-24X1-56 INTERCHANGEABLE
Cartridge,stop-Check Valve
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
803-6397247-4111 PRIMARY Naval Sea Systems Command (USA)
6GP80-4-PL-2321 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
6GP80-4 PL-1005 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
C-4133(C-9474) Admiral Valve Llc Dba Cpv Manufacturing (USA)
803-6397247 Naval Sea Systems Command (USA)
6GP80-4 Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging (USA)
380-4 PL-3384 Admiral Valve Llc Dba Cpv Manufacturing (USA)
Related Parts
4820-01-172-9148INTERCHANGEABLE
CARTRIDGE ASSEMBLY
365-7-OX PL4496
4820-01-184-9371INTERCHANGEABLE
VALVE,GLOBE
803-6397247-2111
4820-01-212-6793INTERCHANGEABLE
VALVE,CHECK
803-6397247-3131
4820-01-240-6798INTERCHANGEABLE
VALVE,GLOBE
803-6397247-5111
4820-01-270-5758INTERCHANGEABLE
VALVE,GLOBE
803-6397247-3111
4730-01-386-1742INTERCHANGEABLE
PACKING NUT
803-6397247-3X2X-42
4820-01-452-0083INTERCHANGEABLE
VALVE,GLOBE
M1309-1
4820-01-484-7866INTERCHANGEABLE
CARTRIDGE,CHECK VALVE
803-6397247-2X3X-24
5330-01-582-1700INTERCHANGEABLE
RETAINER,PACKING
803-6397247-2XXX-41
4820-01-604-4462INTERCHANGEABLE
CARTRIDGE,STOP-CHECK VALVE
803-6397247-24X1-56
4820-01-604-4975INTERCHANGEABLE
STEM,SUPPORT,VALVE
803-6397247-241X-46
5330-01-604-5728INTERCHANGEABLE
RETAINER,PACKING
803-6397247-2XXX-011

Frequently Asked Questions

What is NSN 4820-01-121-9782?

NSN 4820-01-121-9782 is a Valve,globe, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-121-9782?

NSN 4820-01-121-9782 has 7 cross-referenced part numbers: 803-6397247-4111 (Naval Sea Systems Command), 6GP80-4-PL-2321 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), 6GP80-4 PL-1005 (Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging), C-4133(C-9474) (Admiral Valve Llc Dba Cpv Manufacturing), 803-6397247 (Naval Sea Systems Command) and 2 more.

What NSN replaces 4820-01-121-9782?

There are 12 known substitutes for 4820-01-121-9782: 4820-01-172-9148, 4820-01-184-9371, 4820-01-212-6793 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 803-6397247-4111?

Key specifications for 803-6397247-4111: Thread Series Designator: UN ALL ENDS; Material Document and Classification: MIL-B-24059 ASSN STD SINGLE MATERIAL RESPONSE BODY; Material: NICKEL ALLOY SEAT; Material Document and Classification: QQ-S-763,CLASS 316,COND A FED SPEC SINGLE MATERIAL RESPONSE STEM. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-121-9782 still in active supply?

NSN 4820-01-121-9782 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.
PartsTable Design LLC · partstable.com