The Respirator,air Filtering, cataloged under National Stock Number 4240-01-250-2261, 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 3m Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-250-2261 |
| Primary Part Number | R2090N |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Material Type | ELASTIC |
| Mask Filter Quantity | 1 |
| Adjustability | ADJUSTABLE |
| Filter Type | FILTER PAD |
| Exhaust Valve | INCLUDED |
| Filter Replaceability | REPLACEABLE |
| Mask Type | HALF FACEPIECE |
| Criticality Code Justification | FEAT |
| Approval Designator | ERR-060 |
| Head Harness | INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R2090N | 3m Company (USA) |
| R2090N | Aearo Company (USA) |
| R2090N | American Optical Co (USA) |
| 50041 | Aearo Company (USA) |
| 50041 | American Optical Co (USA) |
| S2013A | United States Postal Service (USA) |
| R2090N | Aearo Company 1 Dba Aearo Div Ao Safety Occupational Prescription Eyewear (USA) |
NSN 4240-01-250-2261 is a Respirator,air Filtering, manufactured by 3m Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-250-2261 has 7 cross-referenced part numbers: R2090N (3m Company), R2090N (Aearo Company), R2090N (American Optical Co), 50041 (Aearo Company), 50041 (American Optical Co) and 2 more.
There are 10 known substitutes for 4240-01-250-2261: 1680-00-098-2355, 5815-00-228-6711, 5330-00-351-6356 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for R2090N: Material Type: ELASTIC; Mask Filter Quantity: 1; Adjustability: ADJUSTABLE; Filter Type: FILTER PAD. 11 total characteristics are documented in the Federal Logistics Information System.