The Valve Assembly, cataloged under National Stock Number 4820-01-698-5649, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-698-5649 |
| Primary Part Number | 06377-05803-104 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 06377-05803-104 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 4820-01-698-5649 is a Valve Assembly, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-698-5649 has 1 manufacturer part number on file: 06377-05803-104 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 06377-05803-104: Criticality Code Justification: FEAT; Special Features: CRITICAL APPLICATION ITEM (CAI); PART OF DRIVE SYSTEMS (HELO ONLY) INTERMEDIATE GEARBOX AND TAIL GEARBOX; Part Name Assigned by Controlling Agency: VALVE ASSEMBLY; OVERFLOW VALVE, AUX LUBE, TGB; End Item Identification: CH-53K SIKORSKY HEAVY LIFT HELICOPTER. 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.
NSN 4820-01-698-5649 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.