The Mask,underwater, cataloged under National Stock Number 1386-01-684-4212, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Mask,underwater |
| FSC / FSG | 1386 — Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment (FSG 13) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950); Kirby Morgan Dive Systems Inc (CAGE 58366); Dive Lab, Inc. Dba Dive Lab Inc (CAGE 1SBA2) |
| Parameter | Value |
|---|---|
| NSN | 1386-01-684-4212 |
| Primary Part Number | 820-126 |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 6914580/SHEET 5FIND 14ED | Naval Inventory Control Point Mechanicsburg (USA) |
| 820-126ED | Naval Inventory Control Point Mechanicsburg (USA) |
| 820-126 PRIMARY | Kirby Morgan Dive Systems Inc (USA) |
| 820-126 | Dive Lab, Inc. Dba Dive Lab Inc (USA) |
| Reference | Meaning |
|---|---|
| 6914580/SHEET 5FIND 14 | D/9 Drawing number reference only Naval Sea Systems Command |
| 820-126/8324510 REV D | 3/2 Design control — primary reference U.S. Government activity |
NSN 1386-01-684-4212 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 1386-01-684-4212 has 4 manufacturer part numbers on file: 6914580/SHEET 5FIND 14ED (Naval Inventory Control Point Mechanicsburg), 820-126ED (Naval Inventory Control Point Mechanicsburg), 820-126 (Kirby Morgan Dive Systems Inc), 820-126 (Dive Lab, Inc. Dba Dive Lab Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-684-4333. Verify interchangeability with system specifications before substitution.
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 1386-01-684-4212 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.