The Mask,chemical-Biological, cataloged under National Stock Number 4240-01-175-3444, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-175-3444 |
| Primary Part Number | 864-01-2 |
| Item Name | Mask,chemical-Biological |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Carrying Facility | CARRYING CASE |
| Filter Type | CANISTER |
| Protection for Which Filter Is Designed | CHEMICAL RESISTANT |
| Mounting Position | LEFT CHEEK OR RIGHT CHEEK |
| Particulate Filter | INCLUDED |
| Canister to Facepiece Attachment Method | DIRECT |
| Quick Disconnect Coupling Feature | NOT INCLUDED |
| Size Designation | MEDIUM |
| Canister Manufacturer Symbol | CB |
| Spectacle Usage Provision | NOT PROVIDED |
| Canister Carrying Harness | NOT INCLUDED |
| Facepiece Speaking Diaphragm | INCLUDED |
| Face Cover Type | FACEPIECE |
| Material | RUBBER SILICONE CLASS Q LOCATION NOT OTHERWISE SPECIFIED |
| Quantity | 2 |
| Material | PLASTIC POLYAMIDE NYLON CARRYING CASE |
| Microphone | NOT INCLUDED |
| Material | PLASTIC LENS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-175-3444 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 4240-01-175-3444 has 2 cross-referenced part numbers: MCU-2P (Warner Robins Air Logistics Center), 864-01-2 (Avox Systems Inc Dba Avox Systems Inc).
There are 5 known substitutes for 4240-01-175-3444: 2920-00-279-6682, 5961-01-035-5474, 4240-01-175-3443 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 864-01-2: Carrying Facility: CARRYING CASE; Filter Type: CANISTER; Protection for Which Filter Is Designed: CHEMICAL RESISTANT; Mounting Position: LEFT CHEEK OR RIGHT CHEEK. 19 total characteristics are documented in the Federal Logistics Information System.