The Plunger,air Mask, cataloged under National Stock Number 4240-01-127-4427, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-127-4427 |
| Primary Part Number | 79459 |
| Item Name | Plunger,air Mask |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| General Characteristics Item Description | PART OF REGULATOR,PRESSURE DEMAND P/N 95166 |
| Reference Data and Literature | AF TO.14S5-16-1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 79459 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 4240-01-127-4427 is a Plunger,air Mask, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-127-4427 has 1 cross-referenced part number: 79459 (Mine Safety Appliances Company).
There is 1 known substitute for 4240-01-127-4427: 5998-00-313-2409. Verify interchangeability with system specifications before substitution.
Key specifications for 79459: End Item Identification: SELF-CONTAINED BREATHING APPARATUS,NSN 4240-01-190-0455; General Characteristics Item Description: PART OF REGULATOR,PRESSURE DEMAND P/N 95166; Reference Data and Literature: AF TO.14S5-16-1. 3 total characteristics are documented in the Federal Logistics Information System.