The Lens,helmet,welder's, cataloged under National Stock Number 4240-00-540-2426, 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 Airgas Usa, Llc Dba Airgas Div West Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 10 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 | 4240-00-540-2426 |
| Primary Part Number | RAD64005000 |
| Item Name | Lens,helmet,welder's |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Airgas Usa, Llc Dba Airgas Div West Division |
| Status | ACTIVE |
| National Bureau of Standards Shade Number | CO-BS 5 |
| Material | GLASS |
| Lens Type | FILTER |
| Departure From Cited Designator | AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER |
| Nondefinitive Spec/std Data | A STYLE AND III TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RAD64005000 PRIMARY | Airgas Usa, Llc Dba Airgas Div West Division (USA) |
| FILTER WELD NO. 3 | Aearo Company (USA) |
| 5424T35 | Mcmaster-Carr Supply Co (USA) |
| M5 | Siebe North Inc North Safety Equipment Div (USA) |
| WILLSON WELD NO. 5 | Dalloz Safety (USA) |
| 50P/5 | North Safety Products L.l.c. Dba North Safety Products (USA) |
| FILTER WELD NO. 5 | Aearo Company (USA) |
| WILLSON WELD NO. 5 | Honeywell Safety Products Usa, Inc. (USA) |
| NORTON MH 3 | Siebe North Inc North Safety Equipment Div (USA) |
| NORTON MH 5 | Siebe North Inc North Safety Equipment Div (USA) |
| GGG-H-211 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| CESCO NO. 5 | Cesco Safety Products (USA) |
| MONARCH NO. 3 | Fibre-Metal Products Co Inc (USA) |
| CESCO NO. 3 | Cesco Safety Products (USA) |
| MONARCH NO. 5 | Fibre-Metal Products Co Inc (USA) |
NSN 4240-00-540-2426 is a Lens,helmet,welder's, manufactured by Airgas Usa, Llc Dba Airgas Div West Division, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-00-540-2426 has 15 cross-referenced part numbers: RAD64005000 (Airgas Usa, Llc Dba Airgas Div West Division), FILTER WELD NO. 3 (Aearo Company), 5424T35 (Mcmaster-Carr Supply Co), M5 (Siebe North Inc North Safety Equipment Div), WILLSON WELD NO. 5 (Dalloz Safety) and 10 more.
There are 2 known substitutes for 4240-00-540-2426: 5905-00-283-5721, 4240-01-647-1115. Verify interchangeability with system specifications before substitution.
Key specifications for RAD64005000: National Bureau of Standards Shade Number: CO-BS 5; Material: GLASS; Lens Type: FILTER; Overall Width: 2.000 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.