The Valve,check, cataloged under National Stock Number 4820-01-355-6289, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-355-6289 |
| Primary Part Number | 20821 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20821 PRIMARY | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 4820-01-355-6289 is a Valve,check, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-355-6289 has 1 cross-referenced part number: 20821 (Allied Systems Company Dba Allied Systems Co).
There are 7 known substitutes for 4820-01-355-6289: 5133-00-065-0981, 5365-00-401-9318, 5935-00-854-6840 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20821: Media for Which Designed: OIL, HYDRAULIC SINGLE RESPONSE; Special Features: USED ON A CRANE; Valve Operation Method: AUTOMATIC. 3 total characteristics are documented in the Federal Logistics Information System.