The Stem,fluid Valve, cataloged under National Stock Number 4820-00-950-1889, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Steward Machine Co Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-950-1889 |
| Primary Part Number | 591-600 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Steward Machine Co Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Largest Outside Diameter | 1.367 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 591-600 PRIMARY | Steward Machine Co Inc (USA) |
| 60-773 | Hardie-Tynes Co., Inc. (USA) |
| 60-591 PC600 | Steward Machine Co Inc (USA) |
| 60-773 PC600 | Steward Machine Co Inc (USA) |
| 591-600 | Hardie-Tynes Co., Inc. (USA) |
| 60-773PC600 | Hardie-Tynes Co., Inc. (USA) |
| 60-591 | Hardie-Tynes Co., Inc. (USA) |
| 60-591PC600 | Hardie-Tynes Co., Inc. (USA) |
NSN 4820-00-950-1889 is a Stem,fluid Valve, manufactured by Steward Machine Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-950-1889 has 8 cross-referenced part numbers: 591-600 (Steward Machine Co Inc), 60-773 (Hardie-Tynes Co., Inc.), 60-591 PC600 (Steward Machine Co Inc), 60-773 PC600 (Steward Machine Co Inc), 591-600 (Hardie-Tynes Co., Inc.) and 3 more.
There are 12 known substitutes for 4820-00-950-1889: 3110-00-243-4878, 3020-00-454-7984, 9540-00-580-6228 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 591-600: Overall Length: 10.125 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Largest Outside Diameter: 1.367 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.