The Mask,oxygen, cataloged under National Stock Number 1660-00-810-3225, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-00-810-3225 |
| Primary Part Number | MILM27274 |
| Item Name | Mask,oxygen |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Headband | NOT PROVIDED |
| Oxygen System Type | PRESSURE DEMAND |
| Helmet Fastener | INCLUDED |
| Mask Size Designation | LONG NARROW |
| Microphone | NOT INCLUDED |
| Intake Tube Corrugated Feature | INCLUDED |
| Intake Tube Length | 17.500 INCHES NOMINAL IN |
| Microphone Pocket | INCLUDED |
| Material | SILICON FACEPIECE |
| Material | PLASTIC POLYAMIDE NYLON AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Nondefinitive Spec/std Data | MBU5P TYPE |
| Harness | INCLUDED |
| Accessory Components and Quantity | HELMET ATTACHMENTS 2,INSERT,FACE PIECE 1,SCREWS 6 |
| Design Type | NOSE AND MOUTH |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILM27274 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 7425180-20 | San Antonio Air Logistics Center (USA) |
| M27274-M10 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 450-83 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| G005-1001-03 | Gentex Corp (USA) |
| 60D3522 | Department of the Air Force (USA) |
| 450-193 | Avox Systems Inc Dba Avox Systems Inc (USA) |
NSN 1660-00-810-3225 is a Mask,oxygen, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-00-810-3225 has 7 cross-referenced part numbers: MILM27274 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7425180-20 (San Antonio Air Logistics Center), M27274-M10 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 450-83 (Avox Systems Inc Dba Avox Systems Inc), G005-1001-03 (Gentex Corp) and 2 more.
There are 7 known substitutes for 1660-00-810-3225: 5985-00-543-1273, 1660-00-794-0857, 1660-00-794-0858 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILM27274: Headband: NOT PROVIDED; Oxygen System Type: PRESSURE DEMAND; Helmet Fastener: INCLUDED; Mask Size Designation: LONG NARROW. 14 total characteristics are documented in the Federal Logistics Information System.