PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10175-1Valve,globe

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-231-6991 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-231-6991 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-231-6991. Primary manufacturer part number: 10175-1.
Features
  • Valve,globe — FSC 4820
  • Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
  • Material: STEEL COMP 316 STEM
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.250 INCHES SECOND END IN
  • Material: STEEL COMP 316 BODY
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Bonnet Type: INSIDE SCREW
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Stem construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-231-6991, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-231-6991
Primary Part Number10175-1
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
MaterialSTEEL COMP 316 STEM
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.250 INCHES SECOND END IN
MaterialSTEEL COMP 316 BODY
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Bonnet TypeINSIDE SCREW
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED INTERNAL BOSS SECOND END
Thread Class3B SECOND END
Flow Control DeviceSTEM
Nominal Thread Size0.250 INCHES FIRST END IN
Bonnet Attachment MethodBOLTED
Connection StyleGASKET SEAL(BOSS) SECOND END
MaterialSTEEL COMP 316 FLOW CONTROL DEVICE
Thread DirectionRIGHT-HAND SECOND END
Valve Operation MethodMANUAL
Thread Series DesignatorUNF SECOND END
Seat Angle37.0 DEGREES FIRST END
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Thread DirectionRIGHT-HAND FIRST END
Thread Class3A FIRST END A
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Series DesignatorUNF FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5325-00-263-5866 INTERCHANGEABLE
Ring,retaining
6320-00-459-897210-1751 INTERCHANGEABLE
Indicator-Transmitter,ship's Con
L3 Technologies, Inc.
1730-00-568-0599101751 INTERCHANGEABLE
Fitting,pump Outlet
Air Logistics Corporation Dba Air Logistics Corp
5330-01-226-446510175-1 INTERCHANGEABLE
Gasket
Hexco International Dba Acd
5999-01-305-5337 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5340-01-672-8214101751 INTERCHANGEABLE
Bracket,mounting
Naval Surface Warfare Center Dahlgren Div
Cross-Reference Index
Part NumberManufacturer
10175-1 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5325-00-263-5866INTERCHANGEABLE
RING,RETAINING
6320-00-459-8972INTERCHANGEABLE
INDICATOR-TRANSMITTER,SHIP'S CON
10-1751
1730-00-568-0599INTERCHANGEABLE
FITTING,PUMP OUTLET
101751
5330-01-226-4465INTERCHANGEABLE
GASKET
10175-1
5999-01-305-5337INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5340-01-672-8214INTERCHANGEABLE
BRACKET,MOUNTING
101751

Frequently Asked Questions

What is NSN 4820-01-231-6991?

NSN 4820-01-231-6991 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 4820-01-231-6991?

NSN 4820-01-231-6991 has 1 cross-referenced part number: 10175-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 4820-01-231-6991?

There are 6 known substitutes for 4820-01-231-6991: 5325-00-263-5866, 6320-00-459-8972, 1730-00-568-0599 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10175-1?

Key specifications for 10175-1: Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Material: STEEL COMP 316 STEM; Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.250 INCHES SECOND END IN. 24 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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