The Radiacmeter, cataloged under National Stock Number 6665-01-239-6672, 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 6 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-239-6672 |
| Primary Part Number | ESP-1 |
| Item Name | Radiacmeter |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific |
| Status | ACTIVE |
| Indicator Type | DIRECT READING |
| Portability | PORTABLE |
| Detecting Element Type | SOLID STATE |
| Radiation Type and Function | ALPHA RAYS MEASURES AND BETA RAYS MEASURES AND GAMMA RAYS MEASURES AND X-RAYS MEASURES |
| Carrying Case | NOT PROVIDED |
| Material | PLASTIC 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 |
|---|---|
| ESP-1 PRIMARY | Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific (USA) |
NSN 6665-01-239-6672 is a Radiacmeter, 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 6665-01-239-6672 has 1 manufacturer part number on file: ESP-1 (Thermo Eberline Llc Dba Thermo Fisher Scientific Div Thermo Fisher Scientific).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-505-8637. Verify interchangeability with system specifications before substitution.
Key specifications for ESP-1: Overall Height: 5.000 INCHES NOMINAL IN; Indicator Type: DIRECT READING; Portability: PORTABLE; Detecting Element Type: SOLID STATE. 6 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.