The Modification Kit,marine Lifesavi, cataloged under National Stock Number 4220-01-682-7741, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Sound Metrics Corp. Dba Sound Metrics Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4220-01-682-7741 |
| Primary Part Number | 015585 |
| Item Name | Modification Kit,marine Lifesavi |
| FSC / FSG | 4220 / 42 — Marine Lifesaving and Diving Equipment |
| Manufacturer | Sound Metrics Corp. Dba Sound Metrics Corp |
| Status | ACTIVE |
| End Item Name | ARIS DEFENDER 3000, ITEM NUMBER 021011 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 015585 PRIMARY | Sound Metrics Corp. Dba Sound Metrics Corp (USA) |
| Reference | Meaning |
|---|---|
| SO1585 | 5/1 Secondary reference Apollo Australia Pty Ltd Div Apollo Australia Pty Ltd |
NSN 4220-01-682-7741 is a Modification Kit,marine Lifesavi, manufactured by Sound Metrics Corp. Dba Sound Metrics Corp, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
NSN 4220-01-682-7741 has 1 manufacturer part number on file: 015585 (Sound Metrics Corp. Dba Sound Metrics Corp).
Key specifications for 015585: End Item Name: ARIS DEFENDER 3000, ITEM NUMBER 021011; Special Features: UHMD PACKAGE (DIMMABLE, 100M DEPTH RATED HIGH RESOLUTION, FLIP DOWN UHMD, 2 UHMD MASK BRACKETS, STARAGE CASE); Part Name Assigned by Controlling Agency: UNDERWATER HEAD MOUNTED DISPLAY PACKAGE. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4220-01-682-7741 has DEMIL Code Q. 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.