The Valve,stop-Check, cataloged under National Stock Number 4820-00-080-8053, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-080-8053 |
| Item Name | Valve,stop-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Renewable Seat Ring Type | PRESSED-IN |
| Nominal Pipe Size Accommodated | 3.000 INCHES FIRST END IN |
| Connection Style | BEVELED (PIPE) FIRST END |
| Criticality Code Justification | ZZZY |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Maximum Operating Temp | 775.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| MIL-V-22052 | 4/1 Identification reference U.S. Government activity |
| SS845-1889557ASSYGSC3IN | 5/1 Secondary reference U.S. Government activity |
| SS845-1889557ASSYGSC3INL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2620-922X4ASSYGSC3IN | 5/9 Secondary reference U.S. Government activity |
| MIL-V-22052L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2620-922X4ASSYGSC3INL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 2620-922X4ASSYGSC3IN | 3/1 Design control — primary reference The Walworth Company |
NSN 4820-00-080-8053 is a Valve,stop-Check, classified under FSC 4820, Valves, Nonpowered. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 4820-00-833-8267, 4820-00-837-7180, 4820-01-073-6733. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-080-8053: Flow Control Device: DISK; Renewable Seat Ring Type: PRESSED-IN; Nominal Pipe Size Accommodated: 3.000 INCHES FIRST END IN; Connection Style: BEVELED (PIPE) FIRST END. 13 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.
NSN 4820-00-080-8053 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.