The Meter,energy Compensated, cataloged under National Stock Number 6665-01-464-9681, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ludlum Measurements Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-464-9681 |
| Primary Part Number | MODEL 44-38 |
| Item Name | Meter,energy Compensated |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Ludlum Measurements Inc |
| Status | ACTIVE |
| Unit of Issue Cube | 0.75 CUBIC FEET |
| Exterior Container Weight | 2.50 POUNDS LBS |
| 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 |
|---|---|
| MODEL 44-38 PRIMARY | Ludlum Measurements Inc (USA) |
| Reference | Meaning |
|---|---|
| 98-1602 | 5/1 Secondary reference U.S. Government activity |
NSN 6665-01-464-9681 is a Meter,energy Compensated, manufactured by Ludlum Measurements Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-464-9681 has 1 manufacturer part number on file: MODEL 44-38 (Ludlum Measurements Inc).
Key specifications for MODEL 44-38: Unit of Issue Cube: 0.75 CUBIC FEET; Exterior Container Weight: 2.50 POUNDS LBS; Special Features: PORTABLE; GEIGER-MULLER DETECTOR; THIN WALL; WITHIN PLUS/MINUS 15% OF TRUE VALUE FROM 50 KEV - 1.25 MEV; 1.3 IN. DIAMETER; 6.5 IN. LENGTH; ANODIZED ALUMINUM HOUSING IN; Part Name Assigned by Controlling Agency: METER ENERGY COMPEN PTBL GEIGER-MULLER DETECTOR THIN WALL. 2 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.