The Valve,safety Relief, cataloged under National Stock Number 4820-01-388-5402, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-388-5402 |
| Primary Part Number | P51-500 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Aerospace, Inc. Dba Circor Aerospace Inc |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| P51-500 PRIMARY | Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA) |
| H522C001 ITEM 114 | Jered Llc (USA) |
NSN 4820-01-388-5402 is a Valve,safety Relief, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-388-5402 has 2 cross-referenced part numbers: P51-500 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), H522C001 ITEM 114 (Jered Llc).
There are 4 known substitutes for 4820-01-388-5402: 5360-00-761-2238, 5331-01-560-2984, 5331-01-560-2990 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for P51-500: End Item Identification: SHIP MODELS CVN 72,73,74 AND 75; Valve Operation Method: AUTOMATIC. 2 total characteristics are documented in the Federal Logistics Information System.