The Tube,detecting, cataloged under National Stock Number 6665-00-181-2541, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Edcore Safety Equipment Co Inc Dba Certified Safety Mfg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Tube,detecting |
| FSC / FSG | 6665 — Hazard-detecting Instruments and Apparatus (FSG 66) |
| Manufacturers | Edcore Safety Equipment Co Inc Dba Certified Safety Mfg (CAGE 0PP57); Mine Safety Appliances Company (CAGE 55799) |
| Parameter | Value |
|---|---|
| NSN | 6665-00-181-2541 |
| Primary Part Number | 520910 |
| Item Name | Tube,detecting |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Edcore Safety Equipment Co Inc Dba Certified Safety Mfg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
NSN 6665-00-181-2541 is a Tube,detecting, manufactured by Edcore Safety Equipment Co Inc Dba Certified Safety Mfg, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-00-181-2541 has 2 manufacturer part numbers on file: 520910 (Edcore Safety Equipment Co Inc Dba Certified Safety Mfg), 79509 (Mine Safety Appliances Company).
2 possible matches (shared part number, not a government interchangeability claim): 5999-00-195-1250, 5331-00-925-9901. Verify interchangeability with system specifications before substitution.
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.