The Tester,leakage,protective Mask, cataloged under National Stock Number 6665-00-911-3552, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-00-911-3552 |
| Item Name | Tester,leakage,protective Mask |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF:FOREHEAD ASSY;NECK ASSY;CLIP ASSY;EYE LENS SUPPORT PLUG;TEST HEAD ASSY;HOLDING CLAMP;SEALING RING;TEMPLE ASSY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| E136-42-750-0 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6665-00-911-3552 is a Tester,leakage,protective Mask, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
Key specifications for 6665-00-911-3552: General Characteristics Item Description: CONSISTS OF:FOREHEAD ASSY;NECK ASSY;CLIP ASSY;EYE LENS SUPPORT PLUG;TEST HEAD ASSY;HOLDING CLAMP;SEALING RING;TEMPLE ASSY; End Item Identification: 6665-00-911-3552. 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.
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.