The Cock,poppet Drain, cataloged under National Stock Number 4820-01-438-1558, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-438-1558 |
| Primary Part Number | 6290-G501 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING BODY |
| Flange Shape | ROUND FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Raised Face Nominal Diameter | 4.166 INCHES FIRST END IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Flow Control Device | POPPET |
| Connection Type | FLANGE FIRST END |
| Raised Face Nominal Height | 0.160 INCHES FIRST END IN |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B6290-G501 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| D6656 REV A ITEM 5 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 6656 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 6290-G501 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| B6290 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
NSN 4820-01-438-1558 is a Cock,poppet Drain, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-438-1558 has 5 cross-referenced part numbers: B6290-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), D6656 REV A ITEM 5 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6656 (Howell Laboratories Inc Dba Howell Laboratories Inc), 6290-G501 (Howell Laboratories Inc Dba Howell Laboratories Inc), B6290 (Howell Laboratories Inc Dba Howell Laboratories Inc).
There are 10 known substitutes for 4820-01-438-1558: 5133-00-061-6288, 3120-00-237-7682, 4940-00-318-9078 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6290-G501: Material: COPPER ALLOY AND STEEL CORROSION RESISTING BODY; End Item Identification: NAVY WEAPONS SYSTEM JP, SUPPLY CLASS AOE; Flange Shape: ROUND FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END. 12 total characteristics are documented in the Federal Logistics Information System.