The Valve,angle, cataloged under National Stock Number 4820-01-259-8771, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-259-8771 |
| Primary Part Number | 4891B-1 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Valve Operation Method | MANUAL |
| Style Designator | ANGLE |
| Connection Style | SOCKET WITH BRAZING RING ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Bonnet Attachment Method | UNION |
| Maximum Operating Temp | 150.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 425.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Bonnet Type | INSIDE SCREW |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4891 | Mindeco Corp (USA) |
| 1610-005 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 4891B-1 PRIMARY | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
| 161B-001H14 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 144WS-1/4 | Walworth Co Marine Div (USA) |
| 1600-005-014 | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 4891B-1 | Mindeco Corp (USA) |
| 4891 | Howell Laboratories Inc Dba Howell Laboratories Inc (USA) |
NSN 4820-01-259-8771 is a Valve,angle, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-259-8771 has 8 cross-referenced part numbers: 4891 (Mindeco Corp), 1610-005 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 4891B-1 (Howell Laboratories Inc Dba Howell Laboratories Inc), 161B-001H14 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 144WS-1/4 (Walworth Co Marine Div) and 3 more.
There are 6 known substitutes for 4820-01-259-8771: 5935-00-149-3092, 3110-00-156-1866, 1650-00-203-3593 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4891B-1: Material: COPPER ALLOY BODY; Media for Which Designed: STEAM FIRST RESPONSE; Media for Which Designed: WATER-OIL-GAS SECOND RESPONSE; Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 15 total characteristics are documented in the Federal Logistics Information System.