The Valve,ball, cataloged under National Stock Number 4820-01-438-1679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-438-1679 |
| Primary Part Number | 2D3-05193 ITEM 9 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material | STEEL BODY |
| Material | STEEL COMP 316 STEM |
| Material | RUBBER FLUOROCARBON CLASS FPM PACKING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 2D3-05193 ITEM 9 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3/4IN 594466TVSE | 5/9 Secondary reference U.S. Government activity |
| 2D3-05193 | 5/1 Secondary reference Lake Shore Systems, Inc. |
| 3/4IN.5946TV-SE | 3/9 Design control — primary reference U.S. Government activity |
| 3/4 594466TVSE | 5/9 Secondary reference U.S. Government activity |
| 3/4IN 5946TV-SE | 5/9 Secondary reference Mutual Mfg and Supply Co |
| 0.755946TV-SE | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-438-1679 is a Valve,ball, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-438-1679 has 1 manufacturer part number on file: 2D3-05193 ITEM 9 (Lake Shore Systems, Inc.).
Key specifications for 2D3-05193 ITEM 9: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND ALL ENDS. 11 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.