The Filter,gas-Particulate, cataloged under National Stock Number 4240-01-393-1809, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is The Foxboro Company Dba Foxboro Environmental. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4240-01-393-1809 |
| Primary Part Number | TR101PU |
| Item Name | Filter,gas-Particulate |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | The Foxboro Company Dba Foxboro Environmental |
| Status | ACTIVE |
| Material | CHARCOAL FILTER |
| 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 |
|---|---|
| TR101PU PRIMARY | The Foxboro Company Dba Foxboro Environmental (USA) |
| Reference | Meaning |
|---|---|
| 063-5661 | 5/9 Secondary reference The Foxboro Company Dba Foxboro Environmental |
| CR011XH | 5/9 Secondary reference The Foxboro Company Dba Foxboro Environmental |
| 4240PL1387099 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4240PL1287594 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4240-01-393-1809 is a Filter,gas-Particulate, manufactured by The Foxboro Company Dba Foxboro Environmental, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-393-1809 has 1 manufacturer part number on file: TR101PU (The Foxboro Company Dba Foxboro Environmental).
2 possible matches (shared part number, not a government interchangeability claim): 4240-01-509-6841, 4240-01-571-6304. Verify interchangeability with system specifications before substitution.
Key specifications for TR101PU: Special Features: USED TO ZERO IN THE INSTRUMENT; End Item Identification: HZ ANALYZER,AMBIENT AIR; Material: CHARCOAL FILTER. 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.