The Valve,ball, cataloged under National Stock Number 4820-01-541-3025, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lockheed Martin Sippican, Inc. Div Communication Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-541-3025 |
| Primary Part Number | 308857-1 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lockheed Martin Sippican, Inc. Div Communication Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-541-3025 is a Valve,ball, manufactured by Lockheed Martin Sippican, Inc. Div Communication Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-541-3025 has 3 manufacturer part numbers on file: BT32028 (Truflo Marine Ltd), 14816875 (Bae Systems Marine Limited), 308857-1 (Lockheed Martin Sippican, Inc. Div Communication Division).
Key specifications for 308857-1: End Item Identification: ASTUTE EXTERNAL COMMUNICATIONS SYSTEM (ECS). 0 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.