The Detector,gas, cataloged under National Stock Number 6665-01-464-9652, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Biodex Medical Systems, Inc. Dba Biodex Medical Systems Inc Div Medical Division. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6665-01-464-9652 |
| Primary Part Number | LUDIUM 43-68 |
| Item Name | Detector,gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Biodex Medical Systems, Inc. Dba Biodex Medical Systems Inc Div Medical Division |
| Status | ACTIVE |
| 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 |
|---|---|
| LUDIUM 43-68 PRIMARY | Biodex Medical Systems, Inc. Dba Biodex Medical Systems Inc Div Medical Division (USA) |
| 47-2005 | L. J. Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 98-1591 | 5/1 Secondary reference U.S. Government activity |
NSN 6665-01-464-9652 is a Detector,gas, manufactured by Biodex Medical Systems, Inc. Dba Biodex Medical Systems Inc Div Medical Division, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-464-9652 has 2 manufacturer part numbers on file: LUDIUM 43-68 (Biodex Medical Systems, Inc. Dba Biodex Medical Systems Inc Div Medical Division), 47-2005 (L. J. Engineering Inc).
Key specifications for LUDIUM 43-68: Special Features: 100 CM2 GAS PROPORTIONAL DETECTOR; INDICATED USE: ALPHA BETA SURVEY; RECOMMENDED COUNTING GAS: P-10 (10% METHANE, 90% ARGON); WILL OPERATE ON STATIC CHARGE FOR OVER 15 HOURS WITH 39 IN. CABLE; OPERATING VOLTAGE: ALPHA 1000 - 1500 VOLTS; BETA-GAMMA 1600 - 1800 VOLTS; COUNTER THRESHOLD SETTING: 2-5 MV; DOUBLE END QUICK DISCONNECT; WT: 2 LBS.; EXT WT: 3.5 LBS.; UN. CUBE: 1.5 CU. FT.; EXT. CUBE: 2 CU. FT. LBS; Part Name Assigned by Controlling Agency: DETECTOR GAS 100 CM2 GAS PROPORTIONAL DETECTOR. 0 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.