The Discharge Unit,dry, cataloged under National Stock Number 4210-01-097-1010, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Hydro-Test Products, Inc. Dba Hydro-Test Products 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4210-01-097-1010 |
| Primary Part Number | 550-100 |
| Item Name | Discharge Unit,dry |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Hydro-Test Products, Inc. Dba Hydro-Test Products Inc |
| Status | ACTIVE |
| General Characteristics Item Description | APPLICABLE TO FIRE EXTINGUISHERS; 65 LBS UNIT WT,4700 CU. IN. CAPACITY,200.0 LBS POWDER CAPACITY LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 550-100 PRIMARY | Hydro-Test Products, Inc. Dba Hydro-Test Products Inc (USA) |
| Reference | Meaning |
|---|---|
| DPF-30 | 5/9 Secondary reference Hydro-Test Products, Inc. Dba Hydro-Test Products Inc |
NSN 4210-01-097-1010 is a Discharge Unit,dry, manufactured by Hydro-Test Products, Inc. Dba Hydro-Test Products Inc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-097-1010 has 1 manufacturer part number on file: 550-100 (Hydro-Test Products, Inc. Dba Hydro-Test Products Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-616-0669, 5935-01-616-0692. Verify interchangeability with system specifications before substitution.
Key specifications for 550-100: General Characteristics Item Description: APPLICABLE TO FIRE EXTINGUISHERS; 65 LBS UNIT WT,4700 CU. IN. CAPACITY,200.0 LBS POWDER CAPACITY LBS. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.