The Stem,fluid Valve, cataloged under National Stock Number 4820-01-378-2105, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-378-2105 |
| Primary Part Number | 53379 PC5-6 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Valve Type for Which Designed | GLOBE |
| Largest Outside Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTMB166 ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | INTEGRAL DISK |
| Valve Size for Which Designed | 0.250 INCHES IN |
| Material | NICKEL ALLOY 600 |
| 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 |
|---|---|
| 3532-037-322 AND 3542-019-322 | Velan Valve Corp. (USA) |
| 53379 PC5-6 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 3532-037-322&35 | C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp. |
NSN 4820-01-378-2105 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-378-2105 has 2 manufacturer part numbers on file: 3532-037-322 AND 3542-019-322 (Velan Valve Corp.), 53379 PC5-6 (Velan Valve Corp.).
Key specifications for 53379 PC5-6: Valve Type for Which Designed: GLOBE; Largest Outside Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: ASTMB166 ASSN STD SINGLE MATERIAL RESPONSE; Features Provided: INTEGRAL DISK. 6 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.