The Valve Assembly, cataloged under National Stock Number 4820-01-055-0959, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 5 commercial cross-references from 2 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 | 4820-01-055-0959 |
| Primary Part Number | 581R779H04 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 581R779H02 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 581R779H04 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 10512-4 | Del Aerospace Inc Dba Del Aerospace Inc (USA) |
| 581R779H04 | Del Aerospace Inc Dba Del Aerospace Inc (USA) |
| 581R779H03 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 4820-01-055-0959 is a Valve Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-055-0959 has 5 cross-referenced part numbers: 581R779H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 581R779H04 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 10512-4 (Del Aerospace Inc Dba Del Aerospace Inc), 581R779H04 (Del Aerospace Inc Dba Del Aerospace Inc), 581R779H03 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
There is 1 known substitute for 4820-01-055-0959: 5940-00-926-0029. Verify interchangeability with system specifications before substitution.
Key specifications for 581R779H04: End Item Identification: AN/ALQ-131 COMMON. 1 total characteristics are documented in the Federal Logistics Information System.