The Valve,globe, cataloged under National Stock Number 4820-00-784-4120, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-784-4120 |
| Primary Part Number | 845-1889520 SIZE 1-2 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | DISK OR STEM |
| Connection Style | SOCKET (TUBE) FIRST END |
| Special Test Features | HYDROSTATIC SEAT TEST AFTER HAND AJAHJAA10.187 |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 0.855 INCHES FIRST END IN |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | STEEL COMP 304 STEM |
| Material | RUBBER PACKING |
| 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 |
|---|---|
| 845-1889520 SIZE 1-2 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| D18986-2-1-2IN | 3/9 Design control — primary reference U.S. Government activity |
| D17633-3-1-2IN | 5/9 Secondary reference U.S. Government activity |
| D189686-2PC1-2IN | 5/9 Secondary reference U.S. Government activity |
| D18986-2PC1-2IN | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-784-4120 is a Valve,globe, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-784-4120 has 1 manufacturer part number on file: 845-1889520 SIZE 1-2 (Naval Sea Systems Command).
Key specifications for 845-1889520 SIZE 1-2: Flow Control Device: DISK OR STEM; Connection Style: SOCKET (TUBE) FIRST END; Special Test Features: HYDROSTATIC SEAT TEST AFTER HAND AJAHJAA10.187; Connection Type: UNTHREADED INTERNAL TUBE 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.
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.