The Mask,chemical-Biological, cataloged under National Stock Number 4240-01-175-3445, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-175-3445 |
| Primary Part Number | 864-01-3 |
| Item Name | Mask,chemical-Biological |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Filter Type | CANISTER |
| Protection for Which Filter Is Designed | CHEMICAL RESISTANT |
| Spectacle Usage Provision | NOT PROVIDED |
| Mounting Position | LEFT CHEEK OR RIGHT CHEEK |
| Facepiece Speaking Diaphragm | INCLUDED |
| Particulate Filter | INCLUDED |
| Microphone | NOT INCLUDED |
| Canister to Facepiece Attachment Method | DIRECT |
| Size Designation | LARGE |
| Quick Disconnect Coupling Feature | NOT INCLUDED |
| Face Cover Type | FACEPIECE |
| Canister Carrying Harness | NOT INCLUDED |
| Carrying Facility | CARRYING CASE |
| Canister Manufacturer Symbol | CB |
| Quantity | 2 |
| Material | PLASTIC POLYAMIDE NYLON CARRYING CASE |
| Material | PLASTIC LENS |
| Material | RUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-175-3445 is a Mask,chemical-Biological, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-175-3445 has 2 cross-referenced part numbers: 864-01-3 (Avox Systems Inc Dba Avox Systems Inc), MCU-2P (Warner Robins Air Logistics Center).
There are 2 known substitutes for 4240-01-175-3445: 4240-01-175-3443, 4240-01-175-3444. Verify interchangeability with system specifications before substitution.
Key specifications for 864-01-3: Filter Type: CANISTER; Special Features: INCLUDES HOOD; Protection for Which Filter Is Designed: CHEMICAL RESISTANT; Spectacle Usage Provision: NOT PROVIDED. 19 total characteristics are documented in the Federal Logistics Information System.