The Follow Ring,valve, cataloged under National Stock Number 4820-01-052-3125, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Druck, Llc Dba Druck, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Follow Ring,valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Druck, Llc Dba Druck, Llc (CAGE 1CE49) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-052-3125 |
| Primary Part Number | 1970-3 |
| Item Name | Follow Ring,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Druck, Llc Dba Druck, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 1970-3 PRIMARY | Druck, Llc Dba Druck, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1970-3 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-052-3125 is a Follow Ring,valve, manufactured by Druck, Llc Dba Druck, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-052-3125 has 1 manufacturer part number on file: 1970-3 (Druck, Llc Dba Druck, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-232-4693. Verify interchangeability with system specifications before substitution.
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.