The Mask,oxygen, cataloged under National Stock Number 1660-00-811-5259, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Gentex Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 5 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 | 1660-00-811-5259 |
| Primary Part Number | G005-1001-02 |
| Item Name | Mask,oxygen |
| FSC / FSG | 1660 / 16 — No Item Name Available |
| Manufacturer | Gentex Corp |
| Status | ACTIVE |
| Nondefinitive Spec/std Data | MBU5P TYPE |
| Intake Tube Length | 17.500 INCHES NOMINAL IN |
| Mask Size Designation | REGULAR WIDE |
| Material | PLASTIC POLYAMIDE NYLON AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Microphone Pocket | INCLUDED |
| Helmet Fastener | INCLUDED |
| Intake Tube Corrugated Feature | INCLUDED |
| Microphone | NOT INCLUDED |
| Oxygen System Type | PRESSURE DEMAND |
| Material | SILICON FACEPIECE |
| Harness | INCLUDED |
| Design Type | NOSE AND MOUTH |
| Accessory Components and Quantity | HELMET ATTACHMENTS 2,INSERT,FACE PIECE 1,SCREWS 6 |
| Headband | NOT PROVIDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| G005-1001-02 | Gentex Corp (USA) |
| MILM25990 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILM27274TYPEMBU5P | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MBU4P | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M27274-M30 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 450-192 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| MILM7585 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 4PSIZESMALL | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MBU4PSMALL | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 60D3525 | Department of the Air Force (USA) |
| 450-03 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| 450-82 | Avox Systems Inc Dba Avox Systems Inc (USA) |
| 7425180-10 | San Antonio Air Logistics Center (USA) |
NSN 1660-00-811-5259 is a Mask,oxygen, manufactured by Gentex Corp, classified under FSC 1660 (No Item Name Available). Status: active.
NSN 1660-00-811-5259 has 13 cross-referenced part numbers: G005-1001-02 (Gentex Corp), MILM25990 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM27274TYPEMBU5P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MBU4P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M27274-M30 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.
There are 12 known substitutes for 1660-00-811-5259: 3110-00-155-9645, 1560-00-225-5542, 1630-00-723-2890 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for G005-1001-02: Nondefinitive Spec/std Data: MBU5P TYPE; Intake Tube Length: 17.500 INCHES NOMINAL IN; Mask Size Designation: REGULAR WIDE; Material: PLASTIC POLYAMIDE NYLON AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED. 14 total characteristics are documented in the Federal Logistics Information System.