The Launcher Impulse Tank Assembly, cataloged under National Stock Number 2040-01-294-3889, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2040-01-294-3889 |
| Primary Part Number | 771-6160339ASSEMBLY99L1 |
| Item Name | Launcher Impulse Tank Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| General Characteristics Item Description | SIZE-3IN IN |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| 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 |
|---|---|
| 771-6160339ASSEMBLY99L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 711-6160339 ASSY 99L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 711-6160339 ASSY 99 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 711-6160339 ASSY 99 | 5/1 Secondary reference Colonna's Ship Yard, Incorporated Dba Steel America |
NSN 2040-01-294-3889 is a Launcher Impulse Tank Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-294-3889 has 2 manufacturer part numbers on file: 771-6160339ASSEMBLY99L1 (Naval Inventory Control Point Mechanicsburg), 711-6160339 ASSY 99L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 771-6160339ASSEMBLY99L1: General Characteristics Item Description: SIZE-3IN IN; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 3 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 2040-01-294-3889 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.