The Stem,fluid Valve, cataloged under National Stock Number 4820-01-138-2024, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-138-2024 |
| Primary Part Number | 23399 REV-R ITEM 6 2IN |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Largest Outside Diameter | 0.812 INCHES NOMINAL IN |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Material Document and Classification | ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 2.000 INCHES IN |
| Material | STEEL COMP 416 |
| 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 |
|---|---|
| 23399 REV-R ITEM 6 2IN PRIMARY | Velan Valve Corp. (USA) |
| 2567-072-064 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 2567-72-63 | 5/9 Secondary reference Velan Valve Corp. |
| 23399 | D/9 Drawing number reference only Velan Valve Corp. |
NSN 4820-01-138-2024 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-138-2024 has 2 manufacturer part numbers on file: 23399 REV-R ITEM 6 2IN (Velan Valve Corp.), 2567-072-064 (Velan Valve Corp.).
Key specifications for 23399 REV-R ITEM 6 2IN: Valve Type for Which Designed: GATE; Largest Outside Diameter: 0.812 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Material Document and Classification: ASTM-A276 ASSN STD SINGLE MATERIAL RESPONSE. 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.