The Valve,check, cataloged under National Stock Number 4820-01-504-4783, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Parker Hannifin Limited (CAGE U3675); Flowserve Inc (CAGE 63220) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-504-4783 |
| Primary Part Number | 59439A2 R01 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C130785 | Parker Hannifin Limited (GBR) |
| 59439A2 R01 PRIMARY | Flowserve Inc (USA) |
| 59439A2 | Flowserve Inc (USA) |
| SWS-718-08 PRIMARY | Flowserve Inc (USA) |
| 203002 | Flowserve Inc (USA) |
NSN 4820-01-504-4783 is a Valve,check, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-504-4783 has 5 cross-referenced part numbers: C130785 (Parker Hannifin Limited), 59439A2 R01 (Flowserve Inc), 59439A2 (Flowserve Inc), SWS-718-08 (Flowserve Inc), 203002 (Flowserve Inc).
There are 9 known substitutes for 4820-01-504-4783: 6680-00-586-6486, 5935-00-904-1280, 6625-00-908-0358 and 6 more. Verify interchangeability with system specifications before substitution.