The Radiacmeter, cataloged under National Stock Number 6665-01-677-0138, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Teledyne Flir Defense, Inc. Div Teledyne Flir Detection, Inc.. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-677-0138 |
| Primary Part Number | R400-NGH |
| Item Name | Radiacmeter |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Teledyne Flir Defense, Inc. Div Teledyne Flir Detection, Inc. |
| Status | ACTIVE |
| Indicator Type | LIQUID CRYSTAL DISPLAY (LCD) |
| Voltage in Volts and Current Type | 100.0 AC AND 240.0 AC |
| Portability | PORTABLE |
| Detecting Element Type | SCINTILLATION AND GEIGER TUBE |
| Features Provided | INTERNAL BATTERY ACCOMMODATION |
| Radiation Type and Function | GAMMA RAYS DETECTS AND GAMMA RAYS MEASURES AND NEUTRON RAYS DETECTS AND NEUTRON RAYS MEASURES |
| Carrying Case | PROVIDED |
| Material | ALUMINUM CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R400-NGH PRIMARY | Teledyne Flir Defense, Inc. Div Teledyne Flir Detection, Inc. (USA) |
NSN 6665-01-677-0138 is a Radiacmeter, manufactured by Teledyne Flir Defense, Inc. Div Teledyne Flir Detection, Inc., classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-677-0138 has 1 manufacturer part number on file: R400-NGH (Teledyne Flir Defense, Inc. Div Teledyne Flir Detection, Inc.).
Key specifications for R400-NGH: Overall Height: 3.2 INCHES NOMINAL IN; Indicator Type: LIQUID CRYSTAL DISPLAY (LCD); Voltage in Volts and Current Type: 100.0 AC AND 240.0 AC; Portability: PORTABLE. 8 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.
NSN 6665-01-677-0138 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.