The Nosepiece,oxygen Mask, cataloged under National Stock Number 1660-00-388-0007, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mine Safety Appliances Company. Government technical data includes 4 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-388-0007 |
| Primary Part Number | 56439 |
| Item Name | Nosepiece,oxygen Mask |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Color | GREEN, GRAY |
| Slot Quantity | 2 |
| Size Designation | MEDIUM |
| Material | PLASTIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 56439 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 1660-00-388-0007 is a Nosepiece,oxygen Mask, manufactured by Mine Safety Appliances Company, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-00-388-0007 has 1 cross-referenced part number: 56439 (Mine Safety Appliances Company).
There are 3 known substitutes for 1660-00-388-0007: 5342-00-673-0443, 4320-01-121-0718, 6665-01-444-8322. Verify interchangeability with system specifications before substitution.
Key specifications for 56439: Color: GREEN, GRAY; Slot Quantity: 2; Size Designation: MEDIUM; Material: PLASTIC. 4 total characteristics are documented in the Federal Logistics Information System.