The Hose,air Duct,air Breathing, cataloged under National Stock Number 4240-01-049-0978, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-049-0978 |
| Primary Part Number | 79408 |
| Item Name | Hose,air Duct,air Breathing |
| FSC / FSG | 4240 / 42 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| End Overall Length | 1.375 INCHES NOMINAL SECOND END IN |
| Connection Style | ROUND SECOND END |
| Measuring Method and Length | 11.500 INCHES NOMINAL OVERALL IN |
| Connection Type | SOFT FIRST END |
| Hose Weight | 2.000 OUNCES PER LINEAR FOOT OZ |
| Criticality Code Justification | FEAT |
| End Overall Length | 0.687 INCHES NOMINAL FIRST END IN |
| Connection Type | PREFORMED SECOND END |
| Connection Style | ROUND FIRST END |
| Wall Thickness | 0.093 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Inside Diameter | 0.843 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4240PL1288959 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 79408 PRIMARY | Mine Safety Appliances Company (USA) |
| 78015 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 4240-01-049-0978 is a Hose,air Duct,air Breathing, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.
NSN 4240-01-049-0978 has 3 cross-referenced part numbers: 4240PL1288959 (Jednolity Indeks Materialowy - Uniform Material Index), 79408 (Mine Safety Appliances Company), 78015 (Zf Industrieantriebe Witten Gmbh).
There are 12 known substitutes for 4240-01-049-0978: 4130-00-653-7525, 2530-00-737-3054, 5330-01-058-4592 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 79408: End Overall Length: 1.375 INCHES NOMINAL SECOND END IN; Connection Style: ROUND SECOND END; Measuring Method and Length: 11.500 INCHES NOMINAL OVERALL IN; Connection Type: SOFT FIRST END. 13 total characteristics are documented in the Federal Logistics Information System.