The Valve,globe, cataloged under National Stock Number 4820-00-618-7797, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-618-7797 |
| Primary Part Number | 8910B1-2-722 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Connection Style | BEVELED (PIPE) FIRST END |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER, SALT SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING BODY |
| Material | COBALT ALLOY FLOW CONTROL DEVICE |
| Material | COBALT ALLOY BODY LINING |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Part Number | Manufacturer |
|---|---|
| 8910B1-2-722 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 8910B1-2 722 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 8910B1/2-722ASSY1 | 5/1 Secondary reference U.S. Government activity |
NSN 4820-00-618-7797 is a Valve,globe, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-618-7797 has 1 manufacturer part number on file: 8910B1-2-722 (Ashcroft Inc Dba Heise).
Key specifications for 8910B1-2-722: Flow Control Device: DISK; Nominal Pipe Size Accommodated: 0.500 INCHES FIRST END IN; Connection Style: BEVELED (PIPE) FIRST END; Criticality Code Justification: ZZZY. 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.
NSN 4820-00-618-7797 has DEMIL Code F. 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.