The Stem,fluid Valve, cataloged under National Stock Number 4820-01-181-1987, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hammond Valve Corp. Government technical data includes 2 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-181-1987 |
| Primary Part Number | 25056 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Hammond Valve Corp |
| Status | ACTIVE |
| Largest Outside Diameter | 0.593 INCHES NOMINAL IN |
| Material | COPPER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25056 | Hammond Valve Corp (USA) |
NSN 4820-01-181-1987 is a Stem,fluid Valve, manufactured by Hammond Valve Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-181-1987 has 1 cross-referenced part number: 25056 (Hammond Valve Corp).
There are 8 known substitutes for 4820-01-181-1987: 1680-00-478-6481, 5325-00-550-5937, 5330-01-133-6345 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 25056: Largest Outside Diameter: 0.593 INCHES NOMINAL IN; Material: COPPER; Overall Length: 1.656 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.