The Valve,main, cataloged under National Stock Number 4820-01-137-0443, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Columbia Machine Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Valve,main |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Columbia Machine Inc (CAGE 34462) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-137-0443 |
| Primary Part Number | C2100 |
| Item Name | Valve,main |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Columbia Machine Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C2100 PRIMARY | Columbia Machine Inc (USA) |
NSN 4820-01-137-0443 is a Valve,main, manufactured by Columbia Machine Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-137-0443 has 1 cross-referenced part number: C2100 (Columbia Machine Inc).
There are 2 known substitutes for 4820-01-137-0443: 2940-00-406-7229, 3960-00-910-0990. Verify interchangeability with system specifications before substitution.