The Disk,valve, cataloged under National Stock Number 4820-01-420-1889, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-420-1889 |
| Primary Part Number | 19976 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Mission Systems Orchard Park Inc |
| Status | ACTIVE |
| Media for Which Designed | OXYGEN, GASEOUS |
| Material | PLASTIC POLYAMIDE NYLON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 19976 PRIMARY | Mission Systems Orchard Park Inc (USA) |
NSN 4820-01-420-1889 is a Disk,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-420-1889 has 1 cross-referenced part number: 19976 (Mission Systems Orchard Park Inc).
There are 3 known substitutes for 4820-01-420-1889: 5110-00-883-9158, 6680-01-255-1270, 3020-01-495-1347. Verify interchangeability with system specifications before substitution.
Key specifications for 19976: Media for Which Designed: OXYGEN, GASEOUS; End Item Identification: AIRCRAFT,AIRLIFTER; Material: PLASTIC POLYAMIDE NYLON; Special Features: FOR OXYGEN REGULATING VALVE. 4 total characteristics are documented in the Federal Logistics Information System.