The Bulkhead,cylinder, cataloged under National Stock Number 4820-01-461-3389, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Deval Life Cycle Support 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bulkhead,cylinder |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Deval Life Cycle Support Llc (CAGE 11201) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-461-3389 |
| Primary Part Number | 82125 |
| Item Name | Bulkhead,cylinder |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Deval Life Cycle Support 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 |
|---|---|
| 82125 PRIMARY | Deval Life Cycle Support Llc (USA) |
| Reference | Meaning |
|---|---|
| 82125 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-461-3389 is a Bulkhead,cylinder, manufactured by Deval Life Cycle Support Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-461-3389 has 1 manufacturer part number on file: 82125 (Deval Life Cycle Support Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-495-1435, 5935-01-696-8596. 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.