The Valve,gate, cataloged under National Stock Number 4820-01-043-1948, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-043-1948 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Operating Pressure and Type | 55.0 POUNDS PER SQUARE INCH (PSI) LIQUID NITROGEN MAXIMUM REQUIRED AND 55.0 POUNDS PER SQUARE INCH (PSI) LIQUID OXYGEN MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Criticality Code Justification | ZZZY |
| Connection Type | THREADED INTERNAL PIPE |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 1.000 INCHES IN |
| Nominal Thread Size | 1.000 INCHES IN |
| Material | COPPER ALLOY 922 BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 2410932-3 | 3/1 Design control — primary reference Cosmodyne, Llc Dba Cosmodyne Llc |
| 2410932-3CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-043-1948 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-043-1948: Inlet Relationship with Outlet: IDENTICAL; Operating Pressure and Type: 55.0 POUNDS PER SQUARE INCH (PSI) LIQUID NITROGEN MAXIMUM REQUIRED AND 55.0 POUNDS PER SQUARE INCH (PSI) LIQUID OXYGEN MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Criticality Code Justification: ZZZY; Connection Type: THREADED INTERNAL PIPE. 12 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.