The Diaphragm Assembly, cataloged under National Stock Number 4820-00-609-9875, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-609-9875 |
| Primary Part Number | 19A7667X012 |
| Item Name | Diaphragm Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | DIAPHRAGM MATERIAL BUNA-N,SPRING SEAT,STEEL,SAE 1010CDPL,HEAD,STEEL,SAE 1010CDPL,VALVE SEAT,BRASS,ASTMB16,TOP OF DIAPHRAGM HAS 0.065 IN. DIA HOLE ON A 60 DEG SLOPE,BOTTOM HAS 0.090 DIA HOLE WITH A 60 DEG SLOPE OPEN HOLE 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 |
|---|---|
| 19A7667X012 | Emerson Process Management Ltd (GBR) |
| 19A7667X012 PRIMARY | Fisher Controls Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1E1967 | 5/9 Secondary reference Fisher Controls Co Inc |
| 1B7989000B2 | 5/9 Secondary reference Fisher Controls Co Inc |
| 41A460PC7 | 5/9 Secondary reference Fisher Controls Co Inc |
NSN 4820-00-609-9875 is a Diaphragm Assembly, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-609-9875 has 2 manufacturer part numbers on file: 19A7667X012 (Emerson Process Management Ltd), 19A7667X012 (Fisher Controls Co Inc).
Key specifications for 19A7667X012: General Characteristics Item Description: DIAPHRAGM MATERIAL BUNA-N,SPRING SEAT,STEEL,SAE 1010CDPL,HEAD,STEEL,SAE 1010CDPL,VALVE SEAT,BRASS,ASTMB16,TOP OF DIAPHRAGM HAS 0.065 IN. DIA HOLE ON A 60 DEG SLOPE,BOTTOM HAS 0.090 DIA HOLE WITH A 60 DEG SLOPE OPEN HOLE 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.