The Detector,radiac, cataloged under National Stock Number 6665-01-250-7435, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific. 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 | 6665-01-250-7435 |
| Primary Part Number | NRD |
| Item Name | Detector,radiac |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific |
| Status | ACTIVE |
| Cable Length | 30.0 MILLIMETERS NOMINAL MM |
| Overall Diameter | 9.000 INCHES NOMINAL IN |
| Radiation Energy Rating | 10.0 MEV PER HOUR NOMINAL |
| Detecting Element Type | ELECTRON TUBE |
| Detecting Element Detachability | INTEGRAL |
| Radiation Type and Function | GAMMA RAYS DETECTS |
| Plateau Length Voltage in Volts | 100.0 |
| Material | ALUMINUM CASE |
| 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 |
|---|---|
| NRD PRIMARY | Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA) |
NSN 6665-01-250-7435 is a Detector,radiac, manufactured by Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-250-7435 has 1 manufacturer part number on file: NRD (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific).
Key specifications for NRD: Overall Height: 9.875 INCHES NOMINAL IN; Cable Length: 30.0 MILLIMETERS NOMINAL MM; Overall Diameter: 9.000 INCHES NOMINAL IN; Radiation Energy Rating: 10.0 MEV PER HOUR NOMINAL. 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.
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.