The Parts Kit,respirator, cataloged under National Stock Number 4240-01-680-2118, 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 Tsi Incorporated. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-680-2118 |
| Primary Part Number | 8025-31 |
| Item Name | Parts Kit,respirator |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Tsi Incorporated |
| Status | ACTIVE |
| Document Type | CATALOG SHEET |
| Component Document Page Number | 1 |
| Component Document Origin | INDUSTRIAL |
| Document Source | 24575 |
| 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 |
|---|---|
| TSI8025-31 | Kenelec Scientific Pty Ltd (AUS) |
| 8025-31 PRIMARY | Tsi Incorporated (USA) |
NSN 4240-01-680-2118 is a Parts Kit,respirator, manufactured by Tsi Incorporated, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-680-2118 has 2 manufacturer part numbers on file: TSI8025-31 (Kenelec Scientific Pty Ltd), 8025-31 (Tsi Incorporated).
Key specifications for 8025-31: Document Type: CATALOG SHEET; Component Document Page Number: 1; Component Document Origin: INDUSTRIAL; Document Source: 24575. 4 specifications are 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.