The Valve,check, cataloged under National Stock Number 4820-00-618-5445, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Co Div Valve Div. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-618-5445 |
| Primary Part Number | 346-1-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | IRON MALLEABLE OVERALL |
| Thread Series Designator | NPT ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A338 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Flow Control Device | DISK |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Maximum Operating Temp | 550.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 346-1-2 PRIMARY | Crane Co Div Valve Div (USA) |
NSN 4820-00-618-5445 is a Valve,check, manufactured by Crane Co Div Valve Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-618-5445 has 1 cross-referenced part number: 346-1-2 (Crane Co Div Valve Div).
There are 5 known substitutes for 4820-00-618-5445: 3110-00-100-0269, 3030-00-528-4609, 4820-00-640-0447 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 346-1-2: Thread Direction: RIGHT-HAND ALL ENDS; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-618-5445 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.