The Valve,ball, cataloged under National Stock Number 4820-01-443-7491, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Conbraco Industries Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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 | 4820-01-443-7491 |
| Primary Part Number | 77-101-01 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Conbraco Industries Inc |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Thread Series Designator | NPT ALL ENDS |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Material | COPPER ALLOY BODY |
| Bonnet Attachment Method | THREADED |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Bonnet Type | INSIDE SCREW |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Valve Operation Method | MANUAL |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Media for Which Designed | STEAM SINGLE RESPONSE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 77-101 .25IN | Conbraco Industries Inc (USA) |
| 77-101-01 PRIMARY | Conbraco Industries Inc (USA) |
NSN 4820-01-443-7491 is a Valve,ball, manufactured by Conbraco Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-443-7491 has 2 cross-referenced part numbers: 77-101 .25IN (Conbraco Industries Inc), 77-101-01 (Conbraco Industries Inc).
There are 3 known substitutes for 4820-01-443-7491: 5950-00-557-2167, 3040-00-735-9091, 4920-01-668-4840. Verify interchangeability with system specifications before substitution.
Key specifications for 77-101-01: Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Thread Series Designator: NPT ALL ENDS; Material: COPPER ALLOY FLOW CONTROL DEVICE; Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS. 17 total characteristics are documented in the Federal Logistics Information System.