The Mask,underwater, cataloged under National Stock Number 1386-01-684-3931, is classified within Federal Supply Class 1386 (Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment) of the Ammunition and Explosives group. The manufacturer of record is Kirby Morgan Dive Systems Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1386-01-684-3931 |
| Primary Part Number | 820-070 |
| Item Name | Mask,underwater |
| FSC / FSG | 1386 / 13 — Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment |
| Manufacturer | Kirby Morgan Dive Systems Inc |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 6914580/SHEET 5FIND 21ED | Naval Inventory Control Point Mechanicsburg (USA) |
| 820-070 | Dive Lab, Inc. Dba Dive Lab Inc (USA) |
| 820-070 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 820-070ED | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 820-070/ 8324510 | 3/2 Design control — primary reference U.S. Government activity |
| 6914580/SHEET 5FIND 21 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 1386-01-684-3931 is a Mask,underwater, manufactured by Kirby Morgan Dive Systems Inc, classified under FSC 1386, Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment. Status: active.
NSN 1386-01-684-3931 has 4 manufacturer part numbers on file: 6914580/SHEET 5FIND 21ED (Naval Inventory Control Point Mechanicsburg), 820-070 (Dive Lab, Inc. Dba Dive Lab Inc), 820-070 (Kirby Morgan Dive Systems Inc), 820-070ED (Naval Inventory Control Point Mechanicsburg).
Key specifications for 820-070: Criticality Code Justification: FEAT; Special Features: EXPLOSIVE ORDNANCE DISPOSAL (EOD) TOOLS/EQUIPMENT. 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.
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.