PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10-00-8056AValve,globe

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-321-8103 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-321-8103 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-8103. Primary manufacturer part number: 10-00-8056A.
Features
  • Valve,globe — FSC 4820
  • Bonnet Attachment Method: THREADED
  • Thread Direction: RIGHT-HAND FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Flow Control Device: NEEDLE
  • Material: STEEL CORROSION RESISTING BODY
  • Maximum Operating Temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Thread Class: 2A FIRST END A
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-321-8103, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-321-8103
Primary Part Number10-00-8056A
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Bonnet Attachment MethodTHREADED
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Flow Control DeviceNEEDLE
MaterialSTEEL CORROSION RESISTING BODY
Maximum Operating Temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class2A FIRST END A
Nominal Thread Size0.438 INCHES FIRST END IN
Style DesignatorSTRAIGHT THRU
MaterialSTEEL CORROSION RESISTING STEM
Operating Pressure4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNF FIRST END
Media for Which DesignedOXYGEN, GASEOUS SINGLE RESPONSE
Connection StylePLAIN (TUBE) FIRST END
Valve Operation MethodMANUAL
Bonnet TypeINSIDE SCREW
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Connection StyleSOCKET SECOND END
Connection TypeUNTHREADED INTERNAL PIPE SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-106-1249 INTERCHANGEABLE
Resistor,fixed,composition
4820-01-097-3788G80046-1 INTERCHANGEABLE
Stem,fluid Valve
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-01-104-930710250-17 INTERCHANGEABLE
Guide,valve Stem
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-01-119-685410205-11 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-01-146-79692621-906-13 ITEM 62 INTERCHANGEABLE
Disk,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-320-818210-00-8055 INTERCHANGEABLE
Valve,globe
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-482-070111-08-1000 INTERCHANGEABLE
Valve,globe
Electric Boat Corporation Div General Dynamics Electric Boat
5340-01-718-28912621-906-13 ITEM 72 INTERCHANGEABLE
Handwheel
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
10-00-8056A PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
10-00-80564 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
10205-10 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906-13 ASSY-F Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2621-906-13 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5905-00-106-1249INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
4820-01-097-3788INTERCHANGEABLE
STEM,FLUID VALVE
G80046-1
4820-01-104-9307INTERCHANGEABLE
GUIDE,VALVE STEM
10250-17
4820-01-119-6854INTERCHANGEABLE
VALVE,GLOBE
10205-11
4820-01-146-7969INTERCHANGEABLE
DISK,VALVE
2621-906-13 ITEM 62
4820-01-320-8182INTERCHANGEABLE
VALVE,GLOBE
10-00-8055
4820-01-482-0701INTERCHANGEABLE
VALVE,GLOBE
11-08-1000
5340-01-718-2891INTERCHANGEABLE
HANDWHEEL
2621-906-13 ITEM 72

Frequently Asked Questions

What is NSN 4820-01-321-8103?

NSN 4820-01-321-8103 is a Valve,globe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-321-8103?

NSN 4820-01-321-8103 has 5 cross-referenced part numbers: 10-00-8056A (Electric Boat Corporation Div General Dynamics Electric Boat), 10-00-80564 (Electric Boat Corporation Div General Dynamics Electric Boat), 10205-10 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2621-906-13 ASSY-F (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-906-13 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4820-01-321-8103?

There are 8 known substitutes for 4820-01-321-8103: 5905-00-106-1249, 4820-01-097-3788, 4820-01-104-9307 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10-00-8056A?

Key specifications for 10-00-8056A: Bonnet Attachment Method: THREADED; Thread Direction: RIGHT-HAND FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Flow Control Device: NEEDLE. 19 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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