The Filter,air,chemical-Biological, cataloged under National Stock Number 4240-01-082-3817, 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 Raytheon Company Div Rmd Strategic. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-082-3817 |
| Primary Part Number | 721169-4 |
| Item Name | Filter,air,chemical-Biological |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Material | CELLULOSE ACETATE FILTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 63-90488 | Technical Wire Products, Llc Dba Twp (USA) |
| 06-1302-2912 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 721169-4 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 4240-01-082-3817 is a Filter,air,chemical-Biological, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-082-3817 has 3 manufacturer part numbers on file: 63-90488 (Technical Wire Products, Llc Dba Twp), 06-1302-2912 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 721169-4 (Raytheon Company Div Rmd Strategic).
Key specifications for 721169-4: Overall Length: 10.000 INCHES NOMINAL IN; Overall Width: 10.000 INCHES NOMINAL IN; Material: CELLULOSE ACETATE 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.
NSN 4240-01-082-3817 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.