The Valve,globe, cataloged under National Stock Number 4820-01-442-3955, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-442-3955 |
| Item Name | Valve,globe |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK OR NEEDLE |
| Furnished Items and Quantity | 1 HANDLE |
| Renewable Seat Ring Type | PRESSED-IN |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | UNION |
| Material | NICKEL ALLOY R-405 SEAT |
| Material | PLASTIC FLOW CONTROL DEVICE |
| Material | RUBBER PACKING |
| Material | NICKEL ALLOY R-405 STEM |
| Material | STEEL COMP 304L BODY |
| 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 |
| Reference | Meaning |
|---|---|
| PLC-11403 | D/9 Drawing number reference only U.S. Government activity |
| PLC-11403-STY A CL 1-LS-DN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-442-3955 is a Valve,globe, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-500-8747. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-442-3955: Flow Control Device: DISK OR NEEDLE; Furnished Items and Quantity: 1 HANDLE; Renewable Seat Ring Type: PRESSED-IN; Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN. 16 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.