The Flange,diaphragm, cataloged under National Stock Number 4620-01-104-1392, is classified within Federal Supply Class 4620 (Water Distillation Equipment, Marine and Industrial) of the Water Purification and Sewage Treatment group. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Flange,diaphragm |
| FSC / FSG | 4620 — Water Distillation Equipment, Marine and Industrial (FSG 46) |
| Parameter | Value |
|---|---|
| NSN | 4620-01-104-1392 |
| Item Name | Flange,diaphragm |
| FSC / FSG | 4620 / 46 — Water Distillation Equipment, Marine and Industrial |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Reference | Meaning |
|---|---|
| 29C-8906 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 29C-8906 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 633-8090 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 633-08090-000 ITEM 22 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 633-8090 ITEM 22 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 29-8906 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4620-01-104-1392 is a Flange,diaphragm, classified under FSC 4620, Water Distillation Equipment, Marine and Industrial. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-117-4951, 2805-01-169-1155. 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.