The Stem,fluid Valve, cataloged under National Stock Number 4820-00-336-5452, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-336-5452 |
| Primary Part Number | B5468402-001 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc |
| Status | ACTIVE |
| Largest Outside Diameter | 3.219 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| B5468402-001 PRIMARY | Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc (USA) |
| Reference | Meaning |
|---|---|
| B5468402-001 | 3/9 Design control — primary reference Automatic Timing and Controls Co Div of Sycon Corp |
| 22385504 | 5/9 Secondary reference Automatic Timing and Controls Co Div of Sycon Corp |
| B5468401-001 | 5/9 Secondary reference Automatic Timing and Controls Co Div of Sycon Corp |
NSN 4820-00-336-5452 is a Stem,fluid Valve, manufactured by Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-336-5452 has 1 manufacturer part number on file: B5468402-001 (Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc).
Key specifications for B5468402-001: Largest Outside Diameter: 3.219 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Overall Length: 5.438 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 3 specifications are 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.