The Valve,gage, cataloged under National Stock Number 4820-01-200-8903, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-200-8903 |
| Primary Part Number | 10193-1 |
| Item Name | Valve,gage |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| General Characteristics Item Description | 316 STAINLESS STEEL;4.000 IN. H;1.000 IN. LG;5000 PSI MAX PRESSURE IN |
| 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 |
|---|---|
| 10193-1 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 401-4694906 ITEM 2 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-200-8903 is a Valve,gage, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-200-8903 has 1 manufacturer part number on file: 10193-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
2 possible matches (shared part number, not a government interchangeability claim): 5355-01-216-2631, 5330-01-416-6604. Verify interchangeability with system specifications before substitution.
Key specifications for 10193-1: General Characteristics Item Description: 316 STAINLESS STEEL;4.000 IN. H;1.000 IN. LG;5000 PSI MAX PRESSURE IN. 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.