The Test Source,radioactive, cataloged under National Stock Number 6665-01-157-5291, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Spectrum Techniques, Llc Dba Spectrum Techniques Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6665-01-157-5291 |
| Primary Part Number | CS137S10 |
| Item Name | Test Source,radioactive |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Spectrum Techniques, Llc Dba Spectrum Techniques Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 5.00 IN. L; 0.375 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CS137S10 PRIMARY | Spectrum Techniques, Llc Dba Spectrum Techniques Inc (USA) |
| Reference | Meaning |
|---|---|
| A-6717 | 5/9 Secondary reference U.S. Government activity |
NSN 6665-01-157-5291 is a Test Source,radioactive, manufactured by Spectrum Techniques, Llc Dba Spectrum Techniques Inc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-157-5291 has 1 manufacturer part number on file: CS137S10 (Spectrum Techniques, Llc Dba Spectrum Techniques Inc).
Key specifications for CS137S10: General Characteristics Item Description: 5.00 IN. L; 0.375 IN. DIA IN. 1 specification is 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.
NSN 6665-01-157-5291 has DEMIL Code B. 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.