The Plug,ear, cataloged under National Stock Number 4240-01-706-6219, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Moldex-Metric, Inc. Dba Moldex Metric Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-706-6219 |
| Primary Part Number | 6644 |
| Item Name | Plug,ear |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Moldex-Metric, Inc. Dba Moldex Metric Inc |
| Status | ACTIVE |
| Disposition After Initial Use | DISPOSABLE |
| Material | FOAM (USE MRC ASWC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 4240-01-706-6219 is a Plug,ear, manufactured by Moldex-Metric, Inc. Dba Moldex Metric Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-706-6219 has 2 manufacturer part numbers on file: 03170609 (Blackwood J. Blackwood & Son Pty Ltd), 6644 (Moldex-Metric, Inc. Dba Moldex Metric Inc).
Key specifications for 6644: Disposition After Initial Use: DISPOSABLE; Special Features: 250 PAIRS PER DISPENSER, 6 DISPENSERS PER CASE, INDEPENDENTLY TESTED TO AZ/NZS 1270, SLC 29 DECIBELS, TAPERED SHAPE, 100 PERCENT PVC FREE; Part Name Assigned by Controlling Agency: DISPOSABLE FOAM EARPLUGS; Material: FOAM (USE MRC ASWC). 2 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.