PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1345H2BValve,globe

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-00-271-9323 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-271-9323 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-271-9323. Primary manufacturer part number: 1345H2B.
Features
  • Valve,globe — FSC 4820
  • Bonnet Type: INSIDE SCREW
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
  • Material Document and Classification: QQ-S-764 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Material: STEEL COMP 303 FLOW CONTROL DEVICE
  • Thread Series Designator: UNF FIRST END
  • Features Provided: BONNET PACKING
  • Connection Style: PLAIN (PIPE) SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Seat construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-271-9323, 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 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-271-9323
Primary Part Number1345H2B
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Bonnet TypeINSIDE SCREW
MaterialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
Material Document and ClassificationQQ-S-764 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialSTEEL COMP 303 FLOW CONTROL DEVICE
Thread Series DesignatorUNF FIRST END
Features ProvidedBONNET PACKING
Connection StylePLAIN (PIPE) SECOND END
Thread DirectionRIGHT-HAND SECOND END
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Flow Control DeviceNEEDLE
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Thread Class3B FIRST END
Valve Operation MethodMANUAL
Thread DirectionRIGHT-HAND FIRST END
Connection TypeTHREADED INTERNAL TUBE FIRST END
Bonnet Attachment MethodTHREADED
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.250 INCHES SECOND END IN
Connection StyleFLARELESS (TUBE) FIRST END
Thread Quantity Per Inch18 SECOND END
Mounting FacilityBULKHEAD
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.437 INCHES FIRST END IN
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
MaterialSTEEL COMP 303 STEM
Style DesignatorSTRAIGHT THRU
Material Document and ClassificationQQ-S-764 FED SPEC 2ND MATERIAL RESPONSE STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-200-942888810 INTERCHANGEABLE
Spring,helical,compression
Hamilton Sundstrand Corporation Dba Collins Aerospace
5133-00-865-422488810 INTERCHANGEABLE
Bit,spade,wood Boring
Stanley Tools Div of Stanley Works
3439-01-033-9253W88-10 INTERCHANGEABLE
Wick,desoldering
Hexacon Electric Company
Cross-Reference Index
Part NumberManufacturer
1345H2B PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
88-810 PRIMARY Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc (USA)
Related Parts
5360-00-200-9428INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
88810
5133-00-865-4224INTERCHANGEABLE
BIT,SPADE,WOOD BORING
88810
3439-01-033-9253INTERCHANGEABLE
WICK,DESOLDERING
W88-10

Frequently Asked Questions

What is NSN 4820-00-271-9323?

NSN 4820-00-271-9323 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 4820-00-271-9323?

NSN 4820-00-271-9323 has 2 cross-referenced part numbers: 1345H2B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 88-810 (Ge Ruska Instrument Corporation Div Ge Sensing Solutions Inc).

What NSN replaces 4820-00-271-9323?

There are 3 known substitutes for 4820-00-271-9323: 5360-00-200-9428, 5133-00-865-4224, 3439-01-033-9253. Verify interchangeability with system specifications before substitution.

What are the specifications of 1345H2B?

Key specifications for 1345H2B: Bonnet Type: INSIDE SCREW; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT; Material Document and Classification: QQ-S-764 FED SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE; Material: STEEL COMP 303 FLOW CONTROL DEVICE. 30 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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