The Sleeve and Slide,directional Con, cataloged under National Stock Number 4820-00-732-9077, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is United Aeronautical Corporation Dba United Aeronautical Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-732-9077 |
| Primary Part Number | 5551978-19 |
| Item Name | Sleeve and Slide,directional Con |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | United Aeronautical Corporation Dba United Aeronautical Corp |
| Status | ACTIVE |
| Valve Design Control Activity | 88277 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5551978-19 PRIMARY | United Aeronautical Corporation Dba United Aeronautical Corp (USA) |
| Reference | Meaning |
|---|---|
| 5551978-19 | 5/9 Secondary reference Consolidated Aeronautics Corp |
| 5551978-19 | 5/9 Secondary reference The Boeing Company |
| 5551978-19 | 5/2 Secondary reference U.S. Government activity |
| 5551978 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-00-732-9077 is a Sleeve and Slide,directional Con, manufactured by United Aeronautical Corporation Dba United Aeronautical Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-732-9077 has 1 manufacturer part number on file: 5551978-19 (United Aeronautical Corporation Dba United Aeronautical Corp).
Key specifications for 5551978-19: Special Features: CONSIST OF P/N 2815278-1 LUG;P/N 2815279-1 PIN; P/N 4815280-1 TWO PLUGS;P1N 4549338-501 SLIDE+P/N 4815281-1 SLEEVE; Valve Design Control Activity: 88277. 1 specification is 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.