The Lens,helmet,welder's, cataloged under National Stock Number 4240-00-276-8939, 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 Cesco Safety Products. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4240-00-276-8939 |
| Primary Part Number | CESCO NO. 8 |
| Item Name | Lens,helmet,welder's |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Cesco Safety Products |
| Status | CANCELLED |
| Departure From Cited Designator | AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER |
| Material | GLASS |
| National Bureau of Standards Shade Number | CO-BS 8 |
| Nondefinitive Spec/std Data | A STYLE AND III TYPE |
| Lens Type | FILTER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| CESCO NO. 8 | Cesco Safety Products (USA) |
| 2PYA-8 | Surewerx Usa Inc (USA) |
| 57008 | Forney Industries, Inc. Dba Western Arctronics Division Div Forney Industires (USA) |
| FILTER WELD NO. 8 | Square D Co Monroe Plant (USA) |
| MONARCH NO. 8 | Fibre-Metal Products Co Inc (USA) |
| FILTER WELD NO. 8 | Aearo Company (USA) |
| 2PYX-8 | Surewerx Usa Inc (USA) |
| GGG-H-211 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| P2YX | Surewerx Usa Inc (USA) |
| NORTON MH 8 | Siebe North Inc North Safety Equipment Div (USA) |
NSN 4240-00-276-8939 is a Lens,helmet,welder's, manufactured by Cesco Safety Products, classified under FSC 4240 (No Item Name Available). Status: cancelled.
NSN 4240-00-276-8939 has 10 cross-referenced part numbers: CESCO NO. 8 (Cesco Safety Products), 2PYA-8 (Surewerx Usa Inc), 57008 (Forney Industries, Inc. Dba Western Arctronics Division Div Forney Industires), FILTER WELD NO. 8 (Square D Co Monroe Plant), MONARCH NO. 8 (Fibre-Metal Products Co Inc) and 5 more.
There are 5 known substitutes for 4240-00-276-8939: 5120-00-198-5398, 6680-01-122-3029, 6515-01-501-3024 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for CESCO NO. 8: Departure From Cited Designator: AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER; Material: GLASS; Overall Length: 4.250 INCHES NOMINAL IN; National Bureau of Standards Shade Number: CO-BS 8. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 4240-00-276-8939 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.