The Valve,gate, cataloged under National Stock Number 4820-01-452-9933, 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 15 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-452-9933 |
| Primary Part Number | F15-25PS2TSAB |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | RAISED |
| Stem Type | RISING |
| Supplementary Features | SPECIAL MATERIAL IDENTIFICATION CODE "AB". THIS IS "ASBESTOS FREE" MATERIAL |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 8.000 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 50.125 INCHES IN |
| Face to Face Distance | 29.000 INCHES IN |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| F15-25PS2TSAB PRIMARY | Velan Valve Corp. (USA) |
| F15-25PS2TS PRIMARY | Velan Valve Corp. (USA) |
| 88326 8.0IPS | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| F15-25PS2TSNON- | C/1 Advisory reference — outside the item-of-supply concept Velan Valve Corp. |
NSN 4820-01-452-9933 is a Valve,gate, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-9933 has 3 manufacturer part numbers on file: F15-25PS2TSAB (Velan Valve Corp.), F15-25PS2TS (Velan Valve Corp.), 88326 8.0IPS (Velan Valve Corp.).
Key specifications for F15-25PS2TSAB: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: RAISED; Stem Type: RISING; Supplementary Features: SPECIAL MATERIAL IDENTIFICATION CODE "AB". THIS IS "ASBESTOS FREE" MATERIAL. 15 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.