The Waterbox, cataloged under National Stock Number 4440-01-178-8509, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4440-01-178-8509 |
| Item Name | Waterbox |
| FSC / FSG | 4440 / 44 — Driers, Dehydrators, and Anhydrators |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY TUBES AND RODS,STEEL BARS AND LUG; 16.000 IN. LG,20.750 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 633-E-8316 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 362-8332 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 362-D-8332 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 362-D8332-000 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 362-D8332-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 633-8316 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 633-E-8332 PIECE 2 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 633-08316-000 PIECE 2 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 633-8316 PIECE 2 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 633-E-8332 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
NSN 4440-01-178-8509 is a Waterbox, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4440-01-178-8510, 4440-01-178-8512. Verify interchangeability with system specifications before substitution.
Key specifications for 4440-01-178-8509: General Characteristics Item Description: NICKEL COPPER ALLOY TUBES AND RODS,STEEL BARS AND LUG; 16.000 IN. LG,20.750 IN. H 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.