The Drum,assembly, cataloged under National Stock Number 2030-01-210-2350, is classified within Federal Supply Class 2030 (Deck Machinery) of the Ship and Marine Equipment group. The manufacturer of record is Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2030-01-210-2350 |
| Primary Part Number | 4684666 |
| Item Name | Drum,assembly |
| FSC / FSG | 2030 / 20 — Deck Machinery |
| Manufacturer | Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ALLOY QQ-B-671 CL 3; HEAT TREAT ANNEALED; 18.000 IN. O/D; 12.750 IN. THK; SIX HOLES EQUALLY SPACED 0.562 IN. DIA IN |
| 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 |
|---|---|
| 4684666 PRIMARY | Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc (USA) |
| Reference | Meaning |
|---|---|
| 4684666 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2030-01-210-2350 is a Drum,assembly, manufactured by Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc, classified under FSC 2030, Deck Machinery. Status: active.
NSN 2030-01-210-2350 has 1 manufacturer part number on file: 4684666 (Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc).
Key specifications for 4684666: General Characteristics Item Description: COPPER ALLOY QQ-B-671 CL 3; HEAT TREAT ANNEALED; 18.000 IN. O/D; 12.750 IN. THK; SIX HOLES EQUALLY SPACED 0.562 IN. DIA IN. 1 specification is 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.