The Valve,safety Relief, cataloged under National Stock Number 4820-01-131-7648, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-131-7648 |
| Primary Part Number | 20138H01S0030 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Bolt Circle Nominal Diameter | 2.375 INCHES ALL ENDS IN |
| Raised Face Nominal Diameter | 1.375 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDS IN |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Material | STEEL UNS J03002 BODY |
| Bolt Hole Quantity | 4 ALL ENDS |
| First Connection Face to Centerline Distance | 3.250 INCHES IN |
| Adjustable Pressure Range | +30.0 TO 34.0 POUNDS PER SQUARE INCH LBS |
| Style Designator | ANGLE FLANGED ENDS |
| Second Connection Face to Centerline Distance | 3.250 INCHES IN |
| Material | STEEL COMP 304 STEM |
| Material | STEEL COMP 304 SEAT |
| Valve Operation Method | AUTOMATIC |
| Nominal Outside Diameter | 3.500 INCHES ALL ENDS IN |
| Material | STEEL COMP 304 FLOW CONTROL DEVICE |
| Nominal Thickness | 0.438 INCHES ALL ENDS IN |
| Valve Size | 0.500 INCHES IN |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Bolt Hole Nominal Diameter | 0.625 INCHES ALL ENDS IN |
| Bonnet Attachment Method | BOLTED |
| Bonnet Type | INSIDE SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20138H01S0030 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| CKCNN04SCC | Danco Valve Company (USA) |
| 20138 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| CKCNN04LCC | Dante Valve Company (USA) |
| 20138F51 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| CKCNN04LCC | Danco Valve Company (USA) |
| 20138H01S0030 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
NSN 4820-01-131-7648 is a Valve,safety Relief, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-131-7648 has 7 cross-referenced part numbers: 20138H01S0030 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), CKCNN04SCC (Danco Valve Company), 20138 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), CKCNN04LCC (Dante Valve Company), 20138F51 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 2 more.
There are 12 known substitutes for 4820-01-131-7648: 5133-00-228-1385, 5133-00-232-8161, 1650-00-364-6522 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20138H01S0030: Flow Control Device: DISK; Bolt Circle Nominal Diameter: 2.375 INCHES ALL ENDS IN; Raised Face Nominal Diameter: 1.375 INCHES ALL ENDS IN; Connection Type: FLANGE ALL ENDS. 24 total characteristics are documented in the Federal Logistics Information System.