The Cap,valve, cataloged under National Stock Number 4820-01-191-2709, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-191-2709 |
| Primary Part Number | 3523-010-002 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Valve Type for Which Designed | GLOBE |
| Valve Model Number for Which Designed | 22049B |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 1.000 INCHES IN |
| Material | STEEL |
| Attachment Method | BOLTS |
| 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 |
|---|---|
| 3523-010-002 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 33764-1 | D/9 Drawing number reference only Velan Valve Corp. |
| 33764-1 1IN ITEM 2 | 3/9 Design control — primary reference Velan Valve Corp. |
NSN 4820-01-191-2709 is a Cap,valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-191-2709 has 1 manufacturer part number on file: 3523-010-002 (Velan Valve Corp.).
Key specifications for 3523-010-002: Valve Type for Which Designed: GLOBE; Valve Model Number for Which Designed: 22049B; Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 1.000 INCHES IN. 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.