The Valve,gate, cataloged under National Stock Number 4820-00-912-4019, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-912-4019 |
| Primary Part Number | R-842 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Face to Face Distance | 4.500 INCHES IN |
| Inlet Relationship with Outlet | IDENTICAL |
| Valve Operation Method | MANUAL |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 4.687 INCHES IN |
| Flange Face Design | PLAIN |
| Connection Type | FLANGE, ROUND W/HOLES |
| Stem Type | NONRISING |
| Material | COPPER ALLOY BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-912-4019 is a Valve,gate, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-912-4019 has 3 cross-referenced part numbers: R-842 (Derbyshire Machine & Tool Co), AL-128515 (Crane Co Crane Valve and Parts Div), A29309 (Crane Co Crane Valve and Parts Div).
There are 2 known substitutes for 4820-00-912-4019: 5950-00-646-2036, 5330-01-302-9539. Verify interchangeability with system specifications before substitution.
Key specifications for R-842: Face to Face Distance: 4.500 INCHES IN; Inlet Relationship with Outlet: IDENTICAL; Valve Operation Method: MANUAL; Bolt Hole Quantity: 4. 9 total characteristics are documented in the Federal Logistics Information System.