The Indicator,carbon Monoxide, cataloged under National Stock Number 6665-01-161-4811, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Mine Safety Appliances Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-161-4811 |
| Primary Part Number | 470301 |
| Item Name | Indicator,carbon Monoxide |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Preamplifier | NOT INCLUDED |
| Detecting Element Type | ELECTROCHEMICAL |
| Detecting Element Detachability | INTEGRAL |
| Cable | NOT INCLUDED |
| Photomultiplier | NOT INCLUDED |
| Functional Description | CARBON MONOXIDE AIR LINE MONITOR THAT CONTINUOUSLY MONITORS COMPRESSED AIR LINES FOR CARBON MONOXIDE; PROVIDES DIRECT LINEAR READOUT OF CO CONCENTRATION, ACTUATES ALARMS WHEN PREDETERMINED LEVEL REACHED OR SAMPLE FLOW TO THE UNIT STOPS |
| Connector | INCLUDED |
| Material | STEEL CASE |
| Voltage Rating | 120.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 470301 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 6665-01-161-4811 is a Indicator,carbon Monoxide, manufactured by Mine Safety Appliances Company, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-161-4811 has 1 manufacturer part number on file: 470301 (Mine Safety Appliances Company).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-211-7794, 1660-01-527-7773. Verify interchangeability with system specifications before substitution.
Key specifications for 470301: Overall Height: 13.500 INCHES NOMINAL IN; Preamplifier: NOT INCLUDED; Detecting Element Type: ELECTROCHEMICAL; Detecting Element Detachability: INTEGRAL. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.