The Mask,oxygen, cataloged under National Stock Number 1660-00-649-7490, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Gencorp Automotive Engineered Elastomers Div. Government technical data includes 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-649-7490 |
| Primary Part Number | 4719-1 |
| Item Name | Mask,oxygen |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Gencorp Automotive Engineered Elastomers Div |
| Status | ACTIVE |
| Accessory Components and Quantity | CLINCHERS 4,HOOKS,HELMET 2,SCREWS 6 |
| Microphone Pocket | NOT INCLUDED |
| Mask Size Designation | SMALL |
| Microphone | NOT INCLUDED |
| Intake Tube Corrugated Feature | INCLUDED |
| Nondefinitive Spec/std Data | A-14B TYPE AND 57B 3657 DRAWING NUMBER |
| Material | RUBBER FACEPIECE |
| Helmet Fastener | INCLUDED |
| Oxygen System Type | PRESSURE DEMAND |
| Intake Tube Length | 17.500 INCHES NOMINAL IN |
| Headband | NOT PROVIDED |
| Material | PLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | NOSE AND MOUTH |
| Harness | INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4719-1 PRIMARY | Gencorp Automotive Engineered Elastomers Div (USA) |
NSN 1660-00-649-7490 is a Mask,oxygen, manufactured by Gencorp Automotive Engineered Elastomers Div, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-00-649-7490 has 1 cross-referenced part number: 4719-1 (Gencorp Automotive Engineered Elastomers Div).
There are 4 known substitutes for 1660-00-649-7490: 2915-00-073-7298, 4140-00-135-6398, 5930-00-387-1068 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4719-1: Accessory Components and Quantity: CLINCHERS 4,HOOKS,HELMET 2,SCREWS 6; Microphone Pocket: NOT INCLUDED; Mask Size Designation: SMALL; Microphone: NOT INCLUDED. 14 total characteristics are documented in the Federal Logistics Information System.