The Clapper Assembly,valve, cataloged under National Stock Number 4820-01-069-1677, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-069-1677 |
| Primary Part Number | 845-2110235GPC2 3-4 IN |
| Item Name | Clapper Assembly,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM BRONZE,MIL-B-21230 |
| 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 |
|---|---|
| 845-2110235GPC2 3-4 IN PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| 845-2110235GPC2 3-4 IN | 5/9 Secondary reference National Oilwell |
| 845-2110235GPC2 | C/1 Advisory reference — outside the item-of-supply concept National Oilwell |
NSN 4820-01-069-1677 is a Clapper Assembly,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-069-1677 has 1 manufacturer part number on file: 845-2110235GPC2 3-4 IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
Key specifications for 845-2110235GPC2 3-4 IN: General Characteristics Item Description: ALUMINUM BRONZE,MIL-B-21230. 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.