PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G90276-2Guide,valve Stem

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-104-9307 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-104-9307 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-104-9307. Primary manufacturer part number: G90276-2.
Features
  • Guide,valve Stem — FSC 4820
  • Outside Diameter: 0.250 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • 8 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 Copper Alloy construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-104-9307, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-104-9307
Primary Part NumberG90276-2
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusCANCELLED
Outside Diameter0.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4820-01-097-3788G80046-1 INTERCHANGEABLE
Stem,fluid Valve
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
4820-01-103-1934 INTERCHANGEABLE
Guide,valve Stem
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
4820-01-321-810310-00-8056A 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
2621-906-13 ITEM 24 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
G90276-2 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906-13 ITEM 24 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
845-2110228 ITE Naval Ship Systems Command (USA)
10250-17 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906-13 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
G90726-2 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
10270-2 ITEM 3 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
4820-01-097-3788INTERCHANGEABLE
STEM,FLUID VALVE
G80046-1
4820-01-103-1934INTERCHANGEABLE
GUIDE,VALVE STEM
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
4820-01-321-8103INTERCHANGEABLE
VALVE,GLOBE
10-00-8056A
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 4820-01-104-9307?

NSN 4820-01-104-9307 is a Guide,valve Stem, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-104-9307?

NSN 4820-01-104-9307 has 8 cross-referenced part numbers: 2621-906-13 ITEM 24 (Electric Boat Corporation Div General Dynamics Electric Boat), G90276-2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2621-906-13 ITEM 24 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 845-2110228 ITE (Naval Ship Systems Command), 10250-17 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok) and 3 more.

What NSN replaces 4820-01-104-9307?

There are 8 known substitutes for 4820-01-104-9307: 4820-01-097-3788, 4820-01-103-1934, 4820-01-119-6854 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G90276-2?

Key specifications for G90276-2: Outside Diameter: 0.250 INCHES NOMINAL IN; Material: COPPER ALLOY; Special Features: USED ON GLOBE VALVE. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-104-9307 still in active supply?

NSN 4820-01-104-9307 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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