The Blower Unit,air Filtering Respir, cataloged under National Stock Number 4240-01-720-6764, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-720-6764 |
| Item Name | Blower Unit,air Filtering Respir |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Major Components | BLOWER ASSEMBLY, BREATHING TUBE, WAIST BELT, BATTERY, AIRFLOW INDICATOR |
| Battery Quantity | 1 |
| Air Flow Rate | 115.0 LITERS PER MINUTE NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10204816 | 3/9 Design control — primary reference Mine Safety Appliances Company, Llc Dba M S a |
| 1809800004 | 7/2 Vendor item drawing reference Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4240-01-720-6764 is a Blower Unit,air Filtering Respir, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-720-6764: Major Components: BLOWER ASSEMBLY, BREATHING TUBE, WAIST BELT, BATTERY, AIRFLOW INDICATOR; Overall Length: 65.0 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: G1 PAPR KIT; End Item Identification: 5340-01-559-1725. 3 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.