The Valve,check, cataloged under National Stock Number 4820-01-380-2554, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 8 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-380-2554 |
| Primary Part Number | 1509-1-1/4 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Material | COPPER ALLOY BODY |
| Flow Control Device | DISK |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES ALL ENDS IN |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1509-1-1/4 PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
NSN 4820-01-380-2554 is a Valve,check, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-380-2554 has 1 cross-referenced part number: 1509-1-1/4 (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).
There is 1 known substitute for 4820-01-380-2554: 3110-00-112-5887. Verify interchangeability with system specifications before substitution.
Key specifications for 1509-1-1/4: Mounting Position: HORIZONTAL; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Valve Operation Method: AUTOMATIC; Material: COPPER ALLOY BODY. 8 total characteristics are documented in the Federal Logistics Information System.