The Seat,valve, cataloged under National Stock Number 4820-01-141-4793, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Watts Automatic Control Valve Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-141-4793 |
| Primary Part Number | 3043-02 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Watts Automatic Control Valve Inc |
| Status | ACTIVE |
| Nominal Thread Size | 4.500 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Seating Surface Shape | FLAT |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3043-2 | Watts Automatic Control Valve Inc (USA) |
| 3043-02 PRIMARY | Watts Automatic Control Valve Inc (USA) |
| 3043-2 | Muesco Inc Dba Muesco Mallay Inc (USA) |
| 02191-1154-29 | Harsco Corp Bmy-Combat Systems Div (USA) |
NSN 4820-01-141-4793 is a Seat,valve, manufactured by Watts Automatic Control Valve Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-141-4793 has 4 cross-referenced part numbers: 3043-2 (Watts Automatic Control Valve Inc), 3043-02 (Watts Automatic Control Valve Inc), 3043-2 (Muesco Inc Dba Muesco Mallay Inc), 02191-1154-29 (Harsco Corp Bmy-Combat Systems Div).
There are 8 known substitutes for 4820-01-141-4793: 4930-00-195-5738, 3455-00-236-0787, 5905-00-299-1573 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3043-02: Nominal Thread Size: 4.500 INCHES SINGLE THREADED PORTION IN; Thread Class: 2A SINGLE THREADED PORTION A; Seating Surface Shape: FLAT; Thread Quantity Per Inch: 16 SINGLE THREADED PORTION. 6 total characteristics are documented in the Federal Logistics Information System.