PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G80050-1Spindle,disk Ay

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 4820-01-199-6395 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-199-6395 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-199-6395. Primary manufacturer part number: G80050-1.
Features
  • Spindle,disk Ay — FSC 4820
  • 10 verified cross-references
  • Primary manufacturer: Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Spindle,disk Ay, cataloged under National Stock Number 4820-01-199-6395, 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. This item has 10 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameSpindle,disk Ay
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersElectric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169); Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (CAGE 28968)
Technical Specifications
ParameterValue
NSN4820-01-199-6395
Primary Part NumberG80050-1
Item NameSpindle,disk Ay
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-3541 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5940-00-227-824688B685 INTERCHANGEABLE
Terminal Board
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5330-00-306-5336102B18 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5961-00-356-5697 INTERCHANGEABLE
Transistor
5325-00-874-29901021-8 INTERCHANGEABLE
Insert,screw Thread
Hamilton Sundstrand Corporation
5999-00-881-3082 INTERCHANGEABLE
Wire Mesh,knitted
5945-00-951-5723 INTERCHANGEABLE
Relay,electromagnetic
5905-01-116-8934460212-28 INTERCHANGEABLE
Resistor Network,fixed,film
Bae Systems Controls Inc
5970-01-139-0854 INTERCHANGEABLE
Insulator,plate
5310-01-158-784110218 INTERCHANGEABLE
Nut,self-Locking,hexagon
Eaton Corp
Cross-Reference Index
Part NumberManufacturer
2621-906-13 PIECE 7 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
G80050-1 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
0218-ITEM 8 DWG B Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
621-906-13 ITEM 32 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
10218 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
90466-5 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
10218 PIECE 7 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
G90429-3 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
2621-906-13 PIECE 7 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
3110-00-100-3541INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5940-00-227-8246INTERCHANGEABLE
TERMINAL BOARD
88B685
5330-00-306-5336INTERCHANGEABLE
GASKET
102B18
5961-00-356-5697INTERCHANGEABLE
TRANSISTOR
5325-00-874-2990INTERCHANGEABLE
INSERT,SCREW THREAD
1021-8
5999-00-881-3082INTERCHANGEABLE
WIRE MESH,KNITTED
5945-00-951-5723INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5905-01-116-8934INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
460212-28
5970-01-139-0854INTERCHANGEABLE
INSULATOR,PLATE
5310-01-158-7841INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
10218
4730-01-170-9865INTERCHANGEABLE
PACKING NUT
G90231-2
5365-01-233-3167INTERCHANGEABLE
SPACER,SLEEVE
10218

Frequently Asked Questions

What is NSN 4820-01-199-6395?

NSN 4820-01-199-6395 is a Spindle,disk Ay, 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 4820-01-199-6395?

NSN 4820-01-199-6395 has 10 cross-referenced part numbers: 2621-906-13 PIECE 7 (Electric Boat Corporation Div General Dynamics Electric Boat), G80050-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 0218-ITEM 8 DWG B (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 2621-906 (Electric Boat Corporation Div General Dynamics Electric Boat), 621-906-13 ITEM 32 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok) and 5 more.

What NSN replaces 4820-01-199-6395?

There are 12 known substitutes for 4820-01-199-6395: 3110-00-100-3541, 5940-00-227-8246, 5330-00-306-5336 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-199-6395 still in active supply?

NSN 4820-01-199-6395 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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