The Lens,respirator, cataloged under National Stock Number 4240-01-253-2047, 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 E. D. Bullard Company Dba Ed Bullard Co. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4240-01-253-2047 |
| Primary Part Number | P771B |
| Item Name | Lens,respirator |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | E. D. Bullard Company Dba Ed Bullard Co |
| Status | CANCELLED |
| Criticality Code Justification | TEXT |
| General Characteristics Item Description | SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4240-01-253-2047 is a Lens,respirator, manufactured by E. D. Bullard Company Dba Ed Bullard Co, classified under FSC 4240 (No Item Name Available). Status: cancelled.
NSN 4240-01-253-2047 has 2 cross-referenced part numbers: 77-1B (E. D. Bullard Company Dba Ed Bullard Co), P771B (E. D. Bullard Company Dba Ed Bullard Co).
There are 3 known substitutes for 4240-01-253-2047: 5975-00-042-7138, 9540-00-542-2765, 5915-01-310-4646. Verify interchangeability with system specifications before substitution.
Key specifications for P771B: Criticality Code Justification: TEXT; General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 4240-01-253-2047 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.