The Back Unit, cataloged under National Stock Number 1940-01-688-1676, is classified within Federal Supply Class 1940 (Small Craft) of the Ships, Small Craft, Pontoons, and Floating Docks group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1940-01-688-1676 |
| Primary Part Number | 7109986-1D1 |
| Item Name | Back Unit |
| FSC / FSG | 1940 / 19 — Small Craft |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 7109986-1D1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7109986-1 | 3/1 Design control — primary reference Naval Sea Systems Command |
NSN 1940-01-688-1676 is a Back Unit, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 1940, Small Craft. Status: active.
NSN 1940-01-688-1676 has 1 manufacturer part number on file: 7109986-1D1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 7109986-1D1: Special Features: SEAL DELIVERY VEHICLE ITEM WITH OBJECTIVE QUALITY EVIDENCE. FORWARD STRONGBACK. 0 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.
NSN 1940-01-688-1676 has DEMIL Code B. 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.