The Mask,oxygen, cataloged under National Stock Number 1660-01-095-8664, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-095-8664 |
| Primary Part Number | 450-401 |
| Item Name | Mask,oxygen |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Avox Systems Inc Dba Avox Systems Inc |
| Status | ACTIVE |
| Headband | NOT PROVIDED |
| Material Document and Classification | ZZ-R-765 CLASS 3AGRADE 50 FSCM 81348 FED SPEC SINGLE MATERIAL RESPONSE FACEPIECE |
| Mask Size Designation | REGULAR NARROW |
| Departure From Cited Document | AS MODIFIED BY ACCESSORY COMPENENT |
| Material | RUBBER SILICONE CLASS Q FACEPIECE |
| Material | FABRIC, NYLON LOCATION NOT OTHERWISE SPECIFIED |
| Intake Tube Length | 17.500 INCHES NOMINAL IN |
| Accessory Components and Quantity | DOUBLE POINT RETENTION STRAP AND BUCKLE ASSEMBLY 1 |
| Helmet Fastener | INCLUDED |
| User Designator | AIRCRAFT CREWMAN |
| Microphone Pocket | NOT INCLUDED |
| Oxygen System Type | PRESSURE DEMAND |
| Harness | INCLUDED |
| Design Type | NOSE AND MOUTH |
| Microphone | NOT INCLUDED |
| Nondefinitive Spec/std Data | REGULAR NARROW SIZE |
| Intake Tube Corrugated Feature | INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 450-401 PRIMARY | Avox Systems Inc Dba Avox Systems Inc (USA) |
| MIL-M-27274 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 1660-01-095-8664 is a Mask,oxygen, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-01-095-8664 has 2 cross-referenced part numbers: 450-401 (Avox Systems Inc Dba Avox Systems Inc), MIL-M-27274 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 1660-01-095-8664: 1660-00-794-0857, 1660-00-794-0858, 1660-00-794-0868 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 450-401: Headband: NOT PROVIDED; Material Document and Classification: ZZ-R-765 CLASS 3AGRADE 50 FSCM 81348 FED SPEC SINGLE MATERIAL RESPONSE FACEPIECE; Mask Size Designation: REGULAR NARROW; Departure From Cited Document: AS MODIFIED BY ACCESSORY COMPENENT. 17 total characteristics are documented in the Federal Logistics Information System.