The Bit,mouthpiece,breathing Apparat, cataloged under National Stock Number 1386-01-579-0664, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1386-01-579-0664 |
| Primary Part Number | 2117-077ED |
| Item Name | Bit,mouthpiece,breathing Apparat |
| FSC / FSG | 1386 / 13 — Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Material | RUBBER |
| 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 |
|---|---|
| 2117-077ED | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 2117-077 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1386-01-579-0664 is a Bit,mouthpiece,breathing Apparat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 1386, Underwater Use Explosive Ordnance Disposal and Swimmer Weapons Systems Tools and Equipment. Status: active.
NSN 1386-01-579-0664 has 1 manufacturer part number on file: 2117-077ED (Naval Inventory Control Point Mechanicsburg).
Key specifications for 2117-077ED: Criticality Code Justification: FEAT; Special Features: EXPLOSIVE ORDNANCE DISPOSAL (EOD) TOOLS/EQUIPMENT.; Part Name Assigned by Controlling Agency: MOUTHBIT FOR MK 16 TEE PIECE; End Item Identification: MK16MOD2,UNDERWATER BREATHING APPARATUS (EOD). 2 specifications are 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.