The Respirator,air Filtering, cataloged under National Stock Number 4240-01-020-8772, 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 Aearo Company. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-020-8772 |
| Primary Part Number | R5000 |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Aearo Company |
| Status | ACTIVE |
| Material | RUBBER MASK |
| Head Harness | INCLUDED |
| Strap Type | DOUBLE |
| Mask Type | HALF FACEPIECE |
| Filter Replaceability | REPLACEABLE |
| Filter Type | CARTRIDGE AND FILTER PAD |
| Mask Filter Quantity | 2 |
| Material Type | ELASTIC |
| Adjustability | ADJUSTABLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-020-8772 is a Respirator,air Filtering, manufactured by Aearo Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-020-8772 has 2 cross-referenced part numbers: R5000 (Aearo Company), R5000 (Square D Co Monroe Plant).
There are 4 known substitutes for 4240-01-020-8772: 4240-00-099-6939, 3010-01-174-5995, 5820-01-317-3784 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for R5000: Material: RUBBER MASK; Head Harness: INCLUDED; Strap Type: DOUBLE; Mask Type: HALF FACEPIECE. 9 total characteristics are documented in the Federal Logistics Information System.