The Valve,gate, cataloged under National Stock Number 4820-01-194-5100, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-194-5100 |
| Primary Part Number | 8840-034 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 2.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 7.500 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 10.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | STEEL COMP 316 SEAT |
| Material | STEEL UNS J03002 BODY |
| Material | STEEL COMP 410 STEM |
| Material | STEEL COMP 316 DISK |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 8840-034 PRIMARY | Velan Valve Corp. (USA) |
| F09-2054R-02TS | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| F09-2054P-02TS | C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp. |
NSN 4820-01-194-5100 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-194-5100 has 2 manufacturer part numbers on file: 8840-034 (Velan Valve Corp.), F09-2054R-02TS (Velan Valve Corp.).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-469-3320, 4820-01-484-0570, 4820-01-484-0573. Verify interchangeability with system specifications before substitution.
Key specifications for 8840-034: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING. 17 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.