The Respirator,air Filtering, cataloged under National Stock Number 4240-01-378-7558, 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 Mine Safety Appliances Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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 | 4240-01-378-7558 |
| Primary Part Number | 815452 |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Filter Type | CARTRIDGE |
| Adjustability | ADJUSTABLE |
| Material Type | ELASTIC |
| Material | RUBBER MASK |
| Strap Type | DOUBLE |
| Mask Type | HALF FACEPIECE |
| Head Harness | INCLUDED |
| Mask Filter Quantity | 2 |
| Exhaust Valve | INCLUDED |
| Filter Replaceability | REPLACEABLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-378-7558 is a Respirator,air Filtering, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-378-7558 has 2 cross-referenced part numbers: 802204 (Mine Safety Appliances Company), 815452 (Mine Safety Appliances Company).
There are 2 known substitutes for 4240-01-378-7558: 5305-00-017-9797, 5998-00-809-3566. Verify interchangeability with system specifications before substitution.
Key specifications for 815452: Filter Type: CARTRIDGE; Adjustability: ADJUSTABLE; Material Type: ELASTIC; Material: RUBBER MASK. 11 total characteristics are documented in the Federal Logistics Information System.