PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91949-122Ball,valve,ported

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-019-7597 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-019-7597 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-019-7597. Primary manufacturer part number: 91949-122.
Features
  • Ball,valve,ported — FSC 4820
  • Material Document and Classification: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE
  • Port Quantity: 2
  • Material: STEEL CORROSION RESISTING
  • Port Configuration: ANGLE
  • Stem Accommodation Quantity: 1
  • 2 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ball,valve,ported, cataloged under National Stock Number 4820-01-019-7597, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-019-7597
Primary Part Number91949-122
Item NameBall,valve,ported
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Material Document and ClassificationAISI 316 ASSN STD SINGLE MATERIAL RESPONSE
Port Quantity2
MaterialSTEEL CORROSION RESISTING
Port ConfigurationANGLE
Stem Accommodation Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1650-00-346-125690552-1 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
90552-1 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
91949-122 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
1650-00-346-1256INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
90552-1

Frequently Asked Questions

What is NSN 4820-01-019-7597?

NSN 4820-01-019-7597 is a Ball,valve,ported, 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 4820-01-019-7597?

NSN 4820-01-019-7597 has 2 cross-referenced part numbers: 90552-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 91949-122 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-019-7597?

There is 1 known substitute for 4820-01-019-7597: 1650-00-346-1256. Verify interchangeability with system specifications before substitution.

What are the specifications of 91949-122?

Key specifications for 91949-122: Material Document and Classification: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: HOKE INCORPORATED VALVE NO. 7165F4B; Port Quantity: 2; Material: STEEL CORROSION RESISTING. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com