The Adapter,sill Assembly, cataloged under National Stock Number 1450-01-264-1899, is classified within Federal Supply Class 1450 (Guided Missile Handling and Servicing Equipment) of the Guided Missiles group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1450-01-264-1899 |
| Primary Part Number | 5599783-19 |
| Item Name | Adapter,sill Assembly |
| FSC / FSG | 1450 / 14 — Guided Missile Handling and Servicing Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Model Number | MK 165 MOD 0 |
| General Characteristics Item Description | STEEL WELDMENT ASSEMBLY OPEN ON BOTH ENDS HAVING TWO SEALS PRESSED INTO THE TOP AND BOTTEM FOR GAS MANAGEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 5599783-19 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MK165-0 | 5/1 Secondary reference Naval Sea Systems Command |
| 5599783 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 1450-01-264-1899 is a Adapter,sill Assembly, manufactured by Naval Sea Systems Command, classified under FSC 1450, Guided Missile Handling and Servicing Equipment. Status: active.
NSN 1450-01-264-1899 has 1 manufacturer part number on file: 5599783-19 (Naval Sea Systems Command).
Key specifications for 5599783-19: Model Number: MK 165 MOD 0; General Characteristics Item Description: STEEL WELDMENT ASSEMBLY OPEN ON BOTH ENDS HAVING TWO SEALS PRESSED INTO THE TOP AND BOTTEM FOR GAS MANAGEMENT; End Item Identification: VERTICAL LAUNCHING SYSTEM MK 41. 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.
NSN 1450-01-264-1899 has DEMIL Code D. 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.