The Valve,ball, cataloged under National Stock Number 4820-01-268-9846, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Watts Regulator Company. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4820-01-268-9846 |
| Primary Part Number | TC-4 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Thread Series Designator | NPT SECOND END |
| Thread Series Designator | NPT FIRST END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Valve Operation Method | MANUAL |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TC-4 PRIMARY | Watts Regulator Company (USA) |
NSN 4820-01-268-9846 is a Valve,ball, manufactured by Watts Regulator Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-268-9846 has 1 cross-referenced part number: TC-4 (Watts Regulator Company).
There are 6 known substitutes for 4820-01-268-9846: 5340-00-435-8636, 5340-00-727-4774, 5999-01-103-4554 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for TC-4: Thread Series Designator: NPT SECOND END; Thread Series Designator: NPT FIRST END; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END. 14 total characteristics are documented in the Federal Logistics Information System.