The Stem and Disk Assembly, cataloged under National Stock Number 4820-01-104-6376, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-104-6376 |
| Primary Part Number | 10203 ITEM 15 |
| Item Name | Stem and Disk Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ONE EACH DISK,STEM AND POINT,STEM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G80025-3 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 10203 ITEM 15 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 10203-25 ITEM 15CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 10203 | D/9 Drawing number reference only Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
NSN 4820-01-104-6376 is a Stem and Disk Assembly, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-104-6376 has 3 manufacturer part numbers on file: G80025-3 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 10203 ITEM 15 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 10203-25 ITEM 15CP (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-316-2069. Verify interchangeability with system specifications before substitution.
Key specifications for 10203 ITEM 15: General Characteristics Item Description: CONSISTS OF ONE EACH DISK,STEM AND POINT,STEM. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.