The Valve,check, cataloged under National Stock Number 4820-01-692-6523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smith-Cooper Intl Sharp Valves Div. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-692-6523 |
| Primary Part Number | SV24834SCSW020 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Smith-Cooper Intl Sharp Valves Div |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | A105 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 1975.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Valve Size | 2.0 INCHES IN |
| Maximum Operating Temp | 100.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 800.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 5.51 INCHES IN |
| Material | STEEL BODY |
| Material | COBALT ALLOY SEAT |
| Material | STEEL COMP 410 FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| SV24834SCSW020 PRIMARY | Smith-Cooper Intl Sharp Valves Div (USA) |
| Reference | Meaning |
|---|---|
| 2-24834SC-SW | 5/1 Secondary reference Smith-Cooper Intl Sharp Valves Div |
NSN 4820-01-692-6523 is a Valve,check, manufactured by Smith-Cooper Intl Sharp Valves Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-692-6523 has 1 manufacturer part number on file: SV24834SCSW020 (Smith-Cooper Intl Sharp Valves Div).
Key specifications for SV24834SCSW020: Flow Control Device: DISK; Connection Style: SOCKET (PIPE) ALL ENDS; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS. 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.