The Valve,globe, cataloged under National Stock Number 4820-00-554-8681, 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 21 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-554-8681 |
| Primary Part Number | 578-3801-1572341REVAPC0T020 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Features Provided | BONNET PACKING |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.125 INCHES ALL ENDS IN |
| Maximum Operating Temp | 550.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 922 BODY |
| Material | COPPER ALLOY 922 SEAT |
| Thread Series Designator | NPT ALL ENDS |
| 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 |
|---|---|
| 578-3801-1572341REVAPC0T020 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7864-083REVAPC0T043 | 3/2 Design control — primary reference U.S. Government activity |
| 7864-082REVAPC0T020 | 3/2 Design control — primary reference U.S. Government activity |
| 578-3801-1572341REVAPC0T020 | 5/9 Secondary reference U.S. Government activity |
| 7864-083REVAPC0T036 | 3/2 Design control — primary reference U.S. Government activity |
| 7864-083REVAPC0T017 | 3/2 Design control — primary reference U.S. Government activity |
| 7864-083REVAPC0T016 | 3/2 Design control — primary reference U.S. Government activity |
| 906SB1-8M0D | 5/9 Secondary reference Lunkenheimer Co |
NSN 4820-00-554-8681 is a Valve,globe, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-554-8681 has 1 manufacturer part number on file: 578-3801-1572341REVAPC0T020 (Naval Sea Systems Command).
Key specifications for 578-3801-1572341REVAPC0T020: Flow Control Device: NEEDLE; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 21 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.