The Valve,safety Relief, cataloged under National Stock Number 4820-01-168-5673, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-168-5673 |
| Primary Part Number | 2018600U51M |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Style Designator | STRAIGHT THRU |
| Opening Pressure Setting | 241.0 POUNDS PER SQUARE INCH LBS |
| Material | COPPER ALLOY 922 BODY |
| Disk Loading Method | SPRING |
| Flow Control Device | DISK |
| Bonnet Attachment Method | BOLTED |
| Valve Operation Method | AUTOMATIC |
| Bonnet Type | INSIDE SPRING |
| Material | NICKEL ALLOY BODY LINING |
| Renewable Seat Ring Type | RETAINING SCREW |
| Criticality Code Justification | ZZZY |
| Nominal Pipe Size Accommodated | 0.500 INCHES FIRST END IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Connection Type | BUTT WELD PIPE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2018600U51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20186U51M | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20186 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
NSN 4820-01-168-5673 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-168-5673 has 3 cross-referenced part numbers: 2018600U51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20186U51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20186 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
There are 9 known substitutes for 4820-01-168-5673: 3030-00-015-3606, 3010-00-316-1984, 5985-00-466-2404 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2018600U51M: Material: NICKEL ALLOY FLOW CONTROL DEVICE; Style Designator: STRAIGHT THRU; Opening Pressure Setting: 241.0 POUNDS PER SQUARE INCH LBS; Material: COPPER ALLOY 922 BODY. 15 total characteristics are documented in the Federal Logistics Information System.