The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-249-3178, 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 Mine Safety Appliances Company. Government technical data includes 1 verified specification, 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-249-3178 |
| Primary Part Number | 808435 |
| Item Name | Facepiece,breathing Equipment |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4240-01-249-3178 is a Facepiece,breathing Equipment, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-249-3178 has 2 cross-referenced part numbers: 467999 (Mine Safety Appliances Company), 808435 (Mine Safety Appliances Company).
There are 3 known substitutes for 4240-01-249-3178: 5355-00-210-4467, 5999-00-942-4810, 6515-01-468-9644. Verify interchangeability with system specifications before substitution.
Key specifications for 808435: Criticality Code Justification: FEAT; Special Features: RUBBER; HALF FACEPIECE; BELT MOUNTED; LARGE; BLACK; SOLE SOURCE REQUIRED BY STATUTE 6.302. 2 total characteristics are documented in the Federal Logistics Information System.