The Test Kit,silica, cataloged under National Stock Number 4410-01-183-7442, is classified within Federal Supply Class 4410 (Industrial Boilers) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Industrial Service and Supply, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | Test Kit,silica |
| FSC / FSG | 4410 — Industrial Boilers (FSG 44) |
| Manufacturers | Industrial Service and Supply, Inc (CAGE 0Z007) |
| Parameter | Value |
|---|---|
| NSN | 4410-01-183-7442 |
| Primary Part Number | DR100-18 |
| Item Name | Test Kit,silica |
| FSC / FSG | 4410 / 44 — Industrial Boilers |
| Manufacturer | Industrial Service and Supply, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Part Number | Manufacturer |
|---|---|
| DR100-18 | Industrial Service and Supply, Inc (USA) |
| Reference | Meaning |
|---|---|
| 41100-18 | 5/9 Secondary reference U.S. Government activity |
| 5870034 | 3/2 Design control — primary reference U.S. Government activity |
| 4670034 | 5/9 Secondary reference U.S. Government activity |
| DR100-18 | 5/9 Secondary reference U.S. Government activity |
NSN 4410-01-183-7442 is a Test Kit,silica, manufactured by Industrial Service and Supply, Inc, classified under FSC 4410, Industrial Boilers. Status: active.
NSN 4410-01-183-7442 has 1 manufacturer part number on file: DR100-18 (Industrial Service and Supply, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4410-01-585-8508, 6135-01-680-7078. Verify interchangeability with system specifications before substitution.
Hazardous per DLA record (HMIC Y). 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.