The Valve,hull Backup, cataloged under National Stock Number 4820-01-545-0002, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-545-0002 |
| Primary Part Number | 563-7286781-A1L1 |
| Item Name | Valve,hull Backup |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| 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 |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 563-7286781-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 563-7286781-A1 | Naval Sea Systems Command (USA) |
| H684-1505-A1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| H684-1505 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| H684-1505-A1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4820-01-545-0002 is a Valve,hull Backup, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-545-0002 has 5 cross-referenced part numbers: 563-7286781-A1L1 (Naval Inventory Control Point Mechanicsburg), 563-7286781-A1 (Naval Sea Systems Command), H684-1505-A1L1 (Naval Inventory Control Point Mechanicsburg), H684-1505 (Electric Boat Corporation Div General Dynamics Electric Boat), H684-1505-A1 (Electric Boat Corporation Div General Dynamics Electric Boat).
There is 1 known substitute for 4820-01-545-0002: 4730-01-504-5320. Verify interchangeability with system specifications before substitution.
Key specifications for 563-7286781-A1L1: End Item Identification: TOWED SONAR HULL AND BACKUP VALVE; Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: VALVE, ASSEMBLY & DETAILS HULL & BACK UP TOWED SONAR (DRAWING); Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 4 total characteristics are documented in the Federal Logistics Information System.