PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2621-906-19 ASSYBYZValve,globe

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-057-9003 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-057-9003 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-057-9003. Primary manufacturer part number: 2621-906-19 ASSYBYZ.
Features
  • Valve,globe — FSC 4820
  • Material: STEEL COMP 316 BODY
  • Valve Operation Method: MANUAL
  • Thread Class: 2B ALL ENDS
  • Thread Series Designator: UNF ALL ENDS
  • Bonnet Type: PACKING RETAINING
  • Flow Control Device: STEM
  • Connection Type: THREADED INTERNAL BOSS ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Body construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-057-9003, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-057-9003
Primary Part Number2621-906-19 ASSYBYZ
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
MaterialSTEEL COMP 316 BODY
Valve Operation MethodMANUAL
Thread Class2B ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Bonnet TypePACKING RETAINING
Flow Control DeviceSTEM
Connection TypeTHREADED INTERNAL BOSS ALL ENDS
Connection StyleGASKET SEAL(BOSS) ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialSTEEL COMP 316 STEM
Style DesignatorSTRAIGHT THRU
Thread DirectionRIGHT-HAND ALL ENDS
Nominal Thread Size0.438 INCHES ALL ENDS IN
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-S-763, CLASS 316, COND A FED SPEC SINGLE MATERIAL RESPONSE STEM
Material Document and ClassificationQQ-S-763, CLASS 316, COND A FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-080-006110141-8 INTERCHANGEABLE
Valve,globe
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-01-080-0823 INTERCHANGEABLE
Valve,globe
Cross-Reference Index
Part NumberManufacturer
2621-906-19 ASSYBYZ PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906-19 ASSYBYZ CP Naval Inventory Control Point Mechanicsburg (USA)
2621-906-19 ASSYBYZ Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2621-906-19 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4820-01-080-0061INTERCHANGEABLE
VALVE,GLOBE
10141-8
4820-01-080-0823INTERCHANGEABLE
VALVE,GLOBE

Frequently Asked Questions

What is NSN 4820-01-057-9003?

NSN 4820-01-057-9003 is a Valve,globe, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-057-9003?

NSN 4820-01-057-9003 has 4 cross-referenced part numbers: 2621-906-19 ASSYBYZ (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2621-906-19 ASSYBYZ CP (Naval Inventory Control Point Mechanicsburg), 2621-906-19 ASSYBYZ (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-906-19 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4820-01-057-9003?

There are 2 known substitutes for 4820-01-057-9003: 4820-01-080-0061, 4820-01-080-0823. Verify interchangeability with system specifications before substitution.

What are the specifications of 2621-906-19 ASSYBYZ?

Key specifications for 2621-906-19 ASSYBYZ: Material: STEEL COMP 316 BODY; Valve Operation Method: MANUAL; Thread Class: 2B ALL ENDS; Thread Series Designator: UNF ALL ENDS. 17 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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