The Radiac Set, cataloged under National Stock Number 6665-00-474-4186, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-00-474-4186 |
| Item Name | Radiac Set |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Status | ACTIVE |
| Indicator Type | METER |
| Accuracy in Percent | -20.0 TO 20.0 ALL RANGES |
| Radiation Range Per Hour | +0.0 TO 500.0 ROENTGENS |
| Accessory Identifying Number | IM-125A/PDR-43 TYPE NO. THIRD ACCESSORY A |
| Accessory Identifying Number | 506-132 DRAWING NO. SECOND ACCESSORY |
| Accessory Identifying Number | CY-2073/PDR-43 TYPE NO. FIRST ACCESSORY |
| Accessory Identifying Number | MX-2608/PDR-43 TYPE NO. FOURTH ACCESSORY |
| Accessory Identifying Number | NAVSHIPS 93562 TYPE NO. SIXTH ACCESSORY |
| Accessory Identifying Number | ST-134/U TYPE NO. FIFTH ACCESSORY |
| Detecting Element Type | GEIGER TUBE |
| Joint Electronics Type Designation System Item Type Number | TYPE NO. AN/PDR-43B |
| Joint Electronics Type Designation System Item Name | RADIAC SET |
| Features Provided | INTERNAL BATTERY ACCOMMODATION |
| Radiation Type and Function | BETA RAYS DETECTS AND GAMMA RAYS MEASURES |
| Accessory Controlling Agency | JETDS,ELECTRONIC PRODUCTS CO,JETDS,JETDS,JETDS,BUSHIPS |
| Furnished Items | RADIAC SET CASE,PLASTIC COVER,RADIACMETER,RADIOACTIVE TEST SAMPLE,CARRYING STRAP,TECHNICAL MANUAL |
| Accessory Component Quantity | 1 FOURTH ACCESSORY |
| Accessory Component Quantity | 1 FIRST ACCESSORY |
| Accessory Component Quantity | 1 FIFTH ACCESSORY |
| Accessory Component Quantity | 1 THIRD ACCESSORY |
| Accessory Component Quantity | 1 SIXTH ACCESSORY |
| Accessory Component Quantity | 2 SECOND ACCESSORY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| ANPDR43B | 5/9 Secondary reference Heico Ohmite Llc Dba Ohmite Mfg Co Inc |
| MILR22307 | 5/1 Secondary reference U.S. Government activity |
| 506B | 5/9 Secondary reference Heico Ohmite Llc Dba Ohmite Mfg Co Inc |
| ANPDR43B | 3/2 Design control — primary reference U.S. Government activity |
NSN 6665-00-474-4186 is a Radiac Set, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 6665-00-738-5867, 6665-00-879-4054, 5365-00-947-2156. Verify interchangeability with system specifications before substitution.
Key specifications for 6665-00-474-4186: Indicator Type: METER; Accuracy in Percent: -20.0 TO 20.0 ALL RANGES; Radiation Range Per Hour: +0.0 TO 500.0 ROENTGENS; Accessory Identifying Number: IM-125A/PDR-43 TYPE NO. THIRD ACCESSORY A. 22 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6665-00-474-4186 has DEMIL Code F. 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.