The Valve,check, cataloged under National Stock Number 4820-01-648-1523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Siemens Water Technologies Corp. Div Wallace & Tiernan Products. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-648-1523 |
| Primary Part Number | UXC-93340 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (PIPE) THIRD END |
| Connection Type | UNTHREADED EXTERNAL HOSE THIRD END |
| Style Designator | CROSS W/OFFSET FLANGED ENDS |
| Valve Size | 5.13 MILLIMETERS MM |
| Offset Distance | 9.0 MILLIMETERS MM |
| Seat Angle | 3.0 DEGREES THIRD END |
| Face to Face Distance | 1.2 MILLIMETERS MM |
| First Connection Face to Centerline Distance | 6.0 MILLIMETERS MM |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| UXC-93340 PRIMARY | Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA) |
NSN 4820-01-648-1523 is a Valve,check, manufactured by Siemens Water Technologies Corp. Div Wallace & Tiernan Products, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-648-1523 has 1 manufacturer part number on file: UXC-93340 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products).
Key specifications for UXC-93340: Connection Style: INVERTED FLARE (PIPE) THIRD END; Connection Type: UNTHREADED EXTERNAL HOSE THIRD END; Style Designator: CROSS W/OFFSET FLANGED ENDS; Valve Size: 5.13 MILLIMETERS MM. 10 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.